{"title":"Radiators","description":null,"products":[{"product_id":"csf-bmw-m3-e90-e92-e93-dual-pass-race-power-steering-cooler","title":"CSF BMW M3 E90\/E92\/E93 Dual Pass Race Power Steering Cooler","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe E9X M3 is renowned for suffering from high power steering fluid temperatures - as the fluid heats up, hydraulic pressure drops noticeably, reducing the effectiveness of the steering system at exactly the moment you need it most, particularly on track. CSF's Dual-Pass Power Steering Cooler was created specifically to solve this often-overlooked cooling gap, moving away from the OEM's low-efficiency mechanically-bonded core to a genuinely more effective CAB-brazed, plate-type design.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eBuilt using proven AC condenser technology with a 1-row, super-high-pressure 18mm wide, 4-channel microtube, the dual-pass 6-row design delivers an \u003cstrong\u003e83% increase in surface area\u003c\/strong\u003e over the OEM unit - lab tested at approximately \u003cstrong\u003e40% more efficient\u003c\/strong\u003e than the factory cooler. As the world's first true plug-and-play power steering cooler for this platform, it accepts every OEM attaching component (oil-line connections, mounting brackets, and AC condenser) for a genuine drop-in fit with no modification required.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWorks with:\u003c\/strong\u003e OEM mounting points and AC condenser - sits slightly taller (83mm\/3.27\" additional height toward the top) than stock, leaving clearance underneath for aftermarket supercharger heat exchangers or auxiliary coolers.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhy Choose This Power Steering Cooler\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCAB-brazed plate-type core\u003c\/strong\u003e - replaces the OEM's low-efficiency mechanically-bonded design\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e83% more surface area than OEM\u003c\/strong\u003e - dual-pass 6-row design using AC condenser microtube technology\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eLab tested at ~40% more efficient\u003c\/strong\u003e than the factory cooler\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\u003cstrong\u003eWorld's first true plug-and-play power steering cooler for this platform\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eGenuine drop-in fit\u003c\/strong\u003e - accepts all OEM oil-line connections, mounting brackets, and AC condenser\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eClearance for aftermarket heat exchangers\u003c\/strong\u003e - slightly taller design leaves room underneath for other coolers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eCompatibility\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW E90 M3 Saloon (2008-2013, S65)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW E92 M3 Coupe (2008-2013, S65)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW E93 M3 Convertible (2008-2013, S65)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":54426251362637,"sku":"CSF-8041","price":555.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/4808\/2253\/files\/csf-bmw-m3-e90-e92-e93-dual-pass-race-power-steering-cooler.webp?v=1785397542"},{"product_id":"csf-bmw-m5-e60-m6-e63-e64-high-performance-radiator","title":"CSF BMW M5 (E60) \/ M6 (E63\/E64) High-Performance Radiator","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe factory radiator on the E60 M5 and E6X M6 is a genuinely nice all-aluminium unit - but age and additional power tend to push it past its limits eventually. Supercharged cars see the most issues, since the extra heat from forced induction, combined with a heat exchanger typically mounted in front of the radiator, means the factory unit ends up working overtime. With these cars now approaching 20 years old and entering \"future classic\" territory, many owners are restoring and upgrading them for the long haul.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eCSF's High-Performance Radiator uses a 2-row, 42mm ultra-high-performance core built around CSF's exclusive B-Tube cooling tube technology, paired with 6.5mm tall, ultra-efficient multi-louvered fins for maximum surface area contact - together delivering a genuine 15% improvement in heat transfer over a conventional design. CNC-machined mounting brackets and OEM-style quick-connect inlet\/outlet fittings ensure the fit is precise, while 100% all-aluminium TIG-welded construction throughout offers real durability gains over an aging factory unit.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhy Choose This Radiator\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e2-row, 42mm ultra-high-performance core\u003c\/strong\u003e - CSF's exclusive B-Tube technology for a genuine 15% increase in heat transfer\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e6.5mm tall multi-louvered fins\u003c\/strong\u003e - maximised surface area contact for efficient heat rejection\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e100% all-aluminium TIG-welded construction\u003c\/strong\u003e - genuine long-term durability upgrade\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCNC-machined mounting brackets with OEM-style quick-connect fittings\u003c\/strong\u003e - precise, correct fitment\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTrue plug-and-play drop-in fit\u003c\/strong\u003e - no modifications required, installs in the OEM location\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eIndividually leak and pressure tested\u003c\/strong\u003e - every unit verified before shipping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eCompatibility\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW E60 M5 (2006-2010, S85 5.0L V10)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW E63 M6 (2006-2010, S85 5.0L V10)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW E64 M6 (2006-2010, S85 5.0L V10)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":54426378174797,"sku":"CSF-7218","price":889.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/4808\/2253\/files\/csf-bmw-m5-e60-m6-e63-e64-high-performance-radiator.webp?v=1785398882"},{"product_id":"csf-bmw-135i-e8x-335i-e9x-1m-e82-n54-racing-radiator","title":"CSF BMW 135I (E8X) \/ 335I (E9X) \/ 1M (E82) N54 Racing Radiator","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe factory radiator on N54-powered 135i, 335i, and 1M models relies on plastic end tanks and connections - a genuine weak point, especially on track cars where sustained heat makes the plastic brittle and prone to cracking and leaking over time. CSF's All-Aluminum Racing Radiator eliminates that weakness entirely, replacing the factory design with a fully aluminium core and construction throughout.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eAt the heart of the design is CSF's exclusive B-Tube technology - rather than a single oval radiator tube, CSF uses two tubes shaped like a \"B\" for genuinely more surface area and greater strength, while allowing for a thinner, lighter, more thermally efficient material than a conventional single-tube design. The core is paired with 6.5mm tall, ultra-efficient multi-louvered fins for maximum surface area contact, and CNC-machined quick-connect inlet\/outlet fittings maintain a precise seal. Every unit is individually leak tested and receives a 30-point inspection before shipping.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003ePlease select your transmission type at checkout:\u003c\/strong\u003e available as \u003cstrong\u003e#7045 (manual transmission)\u003c\/strong\u003e or \u003cstrong\u003e#7046 (automatic\/DCT)\u003c\/strong\u003e - these are separate, non-interchangeable radiators, so selecting the correct one is essential.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhy Choose This Radiator\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCSF's exclusive B-Tube core technology\u003c\/strong\u003e - more surface area and strength than a conventional single-tube design\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eEliminates plastic end tanks and connections\u003c\/strong\u003e - addresses the factory design's main failure point\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e6.5mm multi-louvered fins\u003c\/strong\u003e - maximised surface area for efficient heat rejection\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCNC-machined quick-connect fittings\u003c\/strong\u003e - precise, secure seal at the inlet\/outlet\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTrue drop-in fit\u003c\/strong\u003e - uses factory plastic shrouding, hose connections, and mounting points\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eIndividually leak tested with 30-point inspection\u003c\/strong\u003e - genuine quality control before shipping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eCompatibility\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW E82 1M (2011, N54, manual transmission - #7045)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW E82\/E88 135i (2008-2011, N54, manual - #7045 \/ automatic - #7046)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW E90\/E92\/E93 335i\/335xi (2007-2011, N54, manual - #7045 \/ automatic - #7046)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eFitment note:\u003c\/strong\u003e the thicker core tightens tolerances slightly between the expansion tank and accessory belt — not a fitment issue, but worth being aware of during installation.\u003c\/p\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":54426494271821,"sku":"CSF-7045","price":765.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/4808\/2253\/files\/csf-bmw-135i-e8x-335i-e9x-1m-e82-n54-racing-radiator.webp?v=1785400375"},{"product_id":"csf-bmw-m3-e90-e92-e93-triple-pass-high-performance-radiator","title":"CSF BMW M3 E90\/E92\/E93 Triple Pass High-Performance Radiator","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eHeat soak is a genuine limiting factor on a hard-driven E9X M3, and CSF's Triple-Pass High-Performance Radiator was engineered specifically to reduce it. Rather than a conventional single-pass design, coolant is routed across the radiator core \u003cstrong\u003ethree times\u003c\/strong\u003e before exiting - increasing contact time and heat transfer for the lowest achievable outlet temperatures, delivering roughly \u003cstrong\u003e20-25% more cooling capacity\u003c\/strong\u003e than a standard single-pass radiator.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eAt the core is CSF's exclusive B-Tube technology - rather than a single oval tube, two \"B\"-shaped tubes provide more surface area and greater strength while allowing for thinner, lighter, more thermally efficient material. This is paired with 6.5mm tall, ultra-efficient multi-louvered fins for maximum surface area contact. CNC-machined quick-connect inlet\/outlet fittings and mounting brackets ensure a precise fit, and the radiator is a genuine drop-in replacement, accepting all OEM attaching components including quick-connect hoses, the AC condenser, mounting brackets, and fan shroud.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWorks with:\u003c\/strong\u003e Manual transmission cars directly - automatic transmission cars require a separate oil cooler alongside this radiator.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhy Choose This Radiator\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTriple-pass flow design\u003c\/strong\u003e - coolant crosses the core three times for maximum heat rejection\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e~20-25% more cooling capacity\u003c\/strong\u003e than a conventional single-pass radiator\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCSF's exclusive B-Tube core technology\u003c\/strong\u003e - more surface area and strength than a standard tube design\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e6.5mm multi-louvered fins\u003c\/strong\u003e - maximised surface area contact for efficient cooling\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCNC-machined fittings and brackets\u003c\/strong\u003e - precise fit and long-term durability\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTrue drop-in fit\u003c\/strong\u003e - accepts all OEM attaching components, no modification required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eCompatibility\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW E90 M3 Saloon (2008-2013, S65, manual)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW E92 M3 Coupe (2008-2013, S65, manual)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW E93 M3 Convertible (2008-2013, S65, manual)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eAutomatic transmission cars:\u003c\/strong\u003e require a separate oil cooler in addition to this radiator\u003c\/p\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":54426664698189,"sku":"CSF-7059","price":879.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/4808\/2253\/files\/csf-bmw-m3-e90-e92-e93-triple-pass-high-performance-radiator.webp?v=1785402101"},{"product_id":"csf-bmw-m3-e46-triple-pass-high-performance-radiator","title":"CSF BMW M3 E46 Triple Pass High-Performance Radiator","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eEngine heat is the enemy when pushing an E46 M3 hard, and CSF's Triple-Pass High-Performance Radiator was built specifically to keep it in check. Rather than a conventional single-pass design, coolant is routed across the core \u003cstrong\u003ethree times\u003c\/strong\u003e before exiting the radiator, for the lowest achievable outlet temperatures - a genuine upgrade for both high-horsepower builds and race cars needing added cooling margin in demanding motorsport environments.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe 2-row, 42mm core features CSF's exclusive B-Tube technology - rather than a regular oval \"O\"-shaped tube, CSF uses a specially engineered \"B\"-shaped tube, carefully formed and brazed over the seam. This design increases heat transfer surface area by approximately \u003cstrong\u003e15%\u003c\/strong\u003e over regular tubes, delivering the efficiency of two smaller tubes within the same space as one large tube, while allowing for thinner, lighter, more thermally efficient aluminium. Paired with ultra-efficient multi-louvered fins, precisely aligned and wind-tunnel tested for each application, along with CNC-machined quick-connect fittings and brackets, the result is a true drop-in fit requiring no modifications to install - each unit hand-polished to a mirror finish.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhy Choose This Radiator\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTriple-pass flow design\u003c\/strong\u003e - coolant crosses the core three times for the lowest possible outlet temperatures\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCSF's exclusive B-Tube core technology\u003c\/strong\u003e - ~15% more heat transfer surface area than regular tubes\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eUltra-efficient multi-louvered fins\u003c\/strong\u003e - wind-tunnel tested for maximum heat rejection per application\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCNC-machined brackets and quick-connect fittings\u003c\/strong\u003e - precise, stock-like fitment and long-term durability\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHand-polished mirror finish\u003c\/strong\u003e - genuine show-car quality alongside the performance upgrade\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTrue drop-in fit\u003c\/strong\u003e - no cutting or modification required, same-as-stock installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eCompatibility\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW E46 M3 (2000-2006, S54)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003ePart Number\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCSF #7058, replaces OEM part 17102228941\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":54426684129613,"sku":"CSF-7058","price":829.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/4808\/2253\/files\/csf-bmw-m3-e46-triple-pass-high-performance-radiator.webp?v=1785402308"},{"product_id":"csf-bmw-n55-m2-m135i-m235i-335i-435i-f2x-f3x-f87-high-performance-radiator","title":"CSF BMW N55 M2\/M135I\/M235I\/335I\/435I (F2X\/F3X\/F87) High-Performance Radiator","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eKeep temperatures consistently low and prevent heat soak during prolonged fast driving with CSF's High-Performance Radiator, purpose-built for the N55-powered M2, M135i, M235i, 335i, and 435i. The 2-row, 42mm core uses CSF's exclusive B-Tube technology - rather than a regular oval \"O\"-shaped tube, a specially engineered \"B\"-shaped tube is carefully formed and brazed over the seam, increasing heat transfer surface area by approximately 15% over regular tubes while allowing for thinner, lighter, more efficient aluminium construction.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003ePaired with 6.5mm tall, ultra-efficient multi-louvered fins for maximum surface area contact, the radiator features CNC-machined quick-connect inlet\/outlet connections and all auxiliary connections, along with CNC-machined brackets and fittings for a superb, durable fit. An all-aluminium race-style drain plug and a genuine one-hour hand-polished mirror finish round out the build quality. It's a true drop-in fit, accepting all OEM attaching components - quick-connect hoses, AC condenser, mounting brackets, and fan shroud - with every unit individually leak tested and given a 30-point inspection before shipping.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhy Choose This Radiator\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCSF's exclusive B-Tube core technology\u003c\/strong\u003e - ~15% more heat transfer surface area than regular tubes\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e6.5mm multi-louvered fins\u003c\/strong\u003e - maximised surface area for efficient heat rejection\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCNC-machined fittings, brackets, and race-style drain plug\u003c\/strong\u003e - genuine durability and fit precision\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHand-polished mirror finish\u003c\/strong\u003e - premium presentation alongside the performance upgrade\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTrue drop-in fit\u003c\/strong\u003e - accepts all OEM attaching components, no modification required\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eIndividually leak tested with 30-point inspection\u003c\/strong\u003e - genuine quality control before shipping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eCompatibility\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F87 M2 (N55)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F20\/F21 M135i (N55)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F22\/F23 M235i (N55)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F30\/F31\/F34 335i (N55)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F32\/F33\/F36 435i (N55)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eFitment note:\u003c\/strong\u003e the thicker core tightens tolerances slightly between the expansion tank and accessory belt - not a fitment issue, but worth being aware of during installation.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003ePart Number\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eReplaces OEM part #17118672103 (manual) \/ #17118672104 (automatic)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":54426781876557,"sku":"CSF-7078","price":869.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/4808\/2253\/files\/csf-bmw-n55-m135i-m235i-335i-435i-f2x-f3x-high-performance-radiator.webp?v=1785403052"},{"product_id":"csf-bmw-s55-m2-competition-f87-m3-f80-m4-f82-f83-high-performance-front-mount-heat-exchanger","title":"CSF BMW S55 M2 Competition (F87) \/ M3 (F80) \/ M4 (F82\/F83) High-Performance Front Mount Heat Exchanger","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe factory heat exchanger on the S55 is a genuine limiting factor once you push the platform hard - it's tasked with removing heat from the charge air before it reaches the charge-air-cooler, and factory capacity simply isn't sufficient for prolonged fast driving or forced-induction upgrades. CSF's Front Mount Heat Exchanger replaces the OEM unit with a high-performance, all-aluminium upgrade purpose-built to keep coolant temperatures consistently low, supporting stock and upgraded\/oversized turbo applications alike.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe 2-row, 42mm core uses CSF's exclusive B-Tube technology, paired with 6.5mm tall, ultra-efficient multi-louvered fins for maximum surface area contact. A dual-pass flow structure routes coolant across the core twice before exiting, for the lowest achievable outlet temperature in an OEM-style design. CNC-machined quick-connect inlet\/outlet connections and mounting brackets ensure a precise fit, and an included removable aluminium rock guard adds genuine protection against road debris in the front-mount position.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhy Choose This Heat Exchanger\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCSF's exclusive B-Tube core technology\u003c\/strong\u003e - genuine strength and thermal efficiency gains\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eDual-pass flow structure\u003c\/strong\u003e - lowest achievable outlet temperature in an OEM-style layout\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eIncludes removable aluminium rock guard\u003c\/strong\u003e - protects the exposed front-mount position\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCNC-machined fittings and brackets\u003c\/strong\u003e - precise, durable fit\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\u003cstrong\u003eSuitable for manual and automatic vehicles\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTwo versions available\u003c\/strong\u003e - standard drop-in or race-spec for maximum cooling capacity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eCompatibility\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F87 M2 Competition\/CS (S55)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F80 M3 (S55)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F82 M4 (S55)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F83 M4 Convertible (S55)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CSF","offers":[{"title":"Raw","offer_id":54427019641165,"sku":"CSF-8075","price":889.0,"currency_code":"EUR","in_stock":false},{"title":"Black","offer_id":54427019673933,"sku":"CSF-8075V","price":889.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/4808\/2253\/files\/csf-bmw-s55-m2-competition-f87-m3-f80-m4-f82-f83-high-performance-front-mount-heat-exchanger.webp?v=1785405514"},{"product_id":"csf-bmw-s55-m2-competition-m3-f80-m4-f82-f83-auxiliary-cooling-radiator","title":"CSF BMW S55 M2 Competition \/ M3 (F80) \/ M4 (F82\/F83) Auxiliary Cooling Radiator","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eImportant - sold individually:\u003c\/strong\u003e every S55-equipped F8X requires \u003cstrong\u003etwo\u003c\/strong\u003e of these auxiliary radiators (left and right side). This listing is for a single unit: if you need both sides, add a quantity of 2 to your basket.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe factory auxiliary radiators on the S55 do a decent job in stock form, but once you start adding power and pushing the car hard, their limitations start to show - and with the F8X platform now approaching a decade old, even original units on unmodified cars often suffer from damaged or clogged fins that have quietly reduced cooling capacity over time. CSF's Auxiliary Cooling Radiator is the final piece of their popular F8X cooling suite, engineered as a genuine drop-in fit for easy installation.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe larger 2-row, 42mm core uses CSF's exclusive B-Tube technology to maximise airflow and heat dissipation, mounting in the factory location and using OEM quick-connect fittings - working alongside the rest of the cooling system to reduce overall temperatures. A modular design means the same part number fits either side of the car, a genuine advantage for track use: rather than stocking a separate left and right unit, one spare covers both positions. An integrated, bolt-on rock guard protects against the well-documented risk of OEM coolers being punctured by road debris and spilling fluid.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWorks with:\u003c\/strong\u003e OEM mounting location and quick-connect fittings - suitable for both manual and automatic transmission vehicles.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhy Choose This Auxiliary Radiator\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSame part fits both left and right sides\u003c\/strong\u003e - genuine cost and logistics saving, especially for spares\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eLarger 2-row, 42mm core with B-Tube technology\u003c\/strong\u003e - real increase in cooling efficiency over the factory unit\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eIntegrated bolt-on rock guard\u003c\/strong\u003e - protects against road debris puncturing the core\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTrue drop-in fit\u003c\/strong\u003e - mounts in the factory location using OEM quick-connect fittings\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWorthwhile even on unmodified cars\u003c\/strong\u003e - factory units degrade with age regardless of power level\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\u003cstrong\u003eSuitable for manual and automatic vehicles\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eCompatibility\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F80 M3 Saloon (2014-2018, S55)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F82 M4 Coupe (2014-2020, S55)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F83 M4 Convertible (2014-2020, S55)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F87 M2 Competition\/CS (2018-2020, S55)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eSold individually\u003c\/strong\u003e — order quantity 2 for a full left and right set\u003c\/p\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":54427148779853,"sku":"CSF-8258","price":635.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/4808\/2253\/files\/csf-bmw-s55-m2-competition-m3-f80-m4-f82-f83-auxiliary-cooling-radiator.webp?v=1785406802"},{"product_id":"csf-bmw-b58-gen-2-m240i-m340i-m440i-supra-high-performance-front-mount-heat-exchanger","title":"CSF BMW B58 Gen 2 (M240I\/M340I\/M440I\/Supra) High-Performance Front Mount Heat Exchanger","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe 2nd-generation B58 engine faces a genuinely well-documented problem: its liquid-cooled charge air system heat soaks rapidly with no ability to recover, driving intake air temperatures high enough that the ECU cuts power - and in severe cases, triggers limp mode. This isn't theoretical: at the 2019 Global Time Attack Finals at Buttonwillow Raceway, several heavily modified B58-powered Supras could only manage 2-3 laps before overheating, forcing drivers into cool-down laps or improvised trackside fixes like spraying water directly on their heat exchangers.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eCSF's High-Performance Heat Exchanger solves this at the source. Through multiple prototypes, CSF fit the largest and most efficient cooler achievable within the OEM housing - the factory unit is a single-row core just 27mm thick, while CSF's industry-exclusive design uses the world's largest 2-row core at 68mm, built with their B-Tube technology and filling the entire available area beneath the OEM X-brace. A unique triple-pass flow design routes water through the core three times before it exits and returns to the manifold charge cooler, ensuring the lowest possible outlet temperature - a genuine advantage over both the OEM design and every other aftermarket option, which use single-pass flow. A detachable rock guard is included for protection in this exposed position.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhy Choose This Heat Exchanger\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWorld's largest 2-row, 68mm core\u003c\/strong\u003e - versus the OEM's single-row, 27mm design\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eUnique triple-pass flow design\u003c\/strong\u003e - lowest achievable outlet water temperature, unlike single-pass OEM or competitor units\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eFaster heat soak recovery\u003c\/strong\u003e - directly addresses the documented track-day overheating issue on this platform\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eFills the entire available space beneath the OEM X-brace\u003c\/strong\u003e - genuinely the largest cooler that fits\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eIncludes detachable rock guard\u003c\/strong\u003e - protects the core in this exposed front-mount position\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eMirror-polished finish available\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eCompatibility\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW G20 M340i (B58 Gen 2)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW G22 M440i (B58 Gen 2)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW G42 M240i (B58 Gen 2)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eToyota GR Supra A90\/MK5 (B58 Gen 2)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":54427172176205,"sku":"CSF-8154","price":889.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/4808\/2253\/files\/csf-bmw-b58-gen-2-m240i-m340i-m440i-supra-high-performance-front-mount-heat-exchanger.webp?v=1785407190"},{"product_id":"csf-bmw-b58-gen-1-m140i-m240i-340i-440i-triple-pass-front-mount-heat-exchanger","title":"CSF BMW B58 Gen 1 (M140I\/M240I\/340I\/440I) Triple Pass Front Mount Heat Exchanger","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eUnlike the S55, the B58's charge cooler is built directly into the plastic intake manifold housing - but it shares the same fundamental challenge: as boost increases, so does charge air temperature, and the factory water-to-air cooling system quickly starts to struggle. Data shows intake air temperatures climbing rapidly on the OEM heat exchanger through just one gear pull at wide-open throttle, robbing power and increasing the risk of knock as the ECU's safety protocols step in.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eCSF's Triple-Pass Heat Exchanger tackles this at the source. The factory unit is a single-row core just 27mm thick - CSF's design uses the industry-exclusive world's largest 2-row core at 68mm, built with their B-Tube technology and 6.5mm multi-louvered fins. The defining feature is a unique triple-pass flow design: water travels through the core three times before exiting and returning to the manifold charge cooler, delivering the lowest possible outlet temperature - a genuine advantage over the OEM design and even more expensive aftermarket alternatives, all of which use a single-pass structure. The result is roughly \u003cstrong\u003e3x the cooling capacity of the OEM unit\u003c\/strong\u003e. An included detachable rock guard protects the core, and OEM CNC-machined mounting pins and brackets ensure a true plug-and-play fit.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWorks with:\u003c\/strong\u003e OEM mounting location - direct plug-and-play installation, no modification required.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhy Choose This Heat Exchanger\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWorld's largest 2-row, 68mm core\u003c\/strong\u003e - versus the OEM's single-row, 27mm design\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eUnique triple-pass flow design\u003c\/strong\u003e - roughly 3x the cooling capacity of the factory unit\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e6.5mm multi-louvered fins with B-Tube technology\u003c\/strong\u003e - maximised surface area and heat rejection\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eIncludes detachable rock guard\u003c\/strong\u003e - protects the core in this exposed front-mount position\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eDirect plug-and-play fit\u003c\/strong\u003e - OEM CNC-machined mounting pins and brackets\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eOngoing refinement\u003c\/strong\u003e - updated to \"Version 2.0\" spec with improved inlet\/outlet design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eCompatibility\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F20\/F21 M140i (B58 Gen 1)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F22\/F23 M240i (B58 Gen 1)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F30\/F31\/F34 340i (B58 Gen 1)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW F32\/F33\/F36 440i (B58 Gen 1)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CSF","offers":[{"title":"Raw","offer_id":54427338899789,"sku":"CSF-8131","price":889.0,"currency_code":"EUR","in_stock":false},{"title":"Black","offer_id":54427338932557,"sku":"CSF-8131B","price":889.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/4808\/2253\/files\/csf-bmw-b58-gen-1-m140i-m240i-340i-440i-triple-pass-front-mount-heat-exchanger.webp?v=1785408971"}],"url":"https:\/\/i6tuning.com\/collections\/radiators.oembed","provider":"Inline6 Tuning","version":"1.0","type":"link"}