{"product_id":"csf-bmw-b58-m240i-m340i-m440i-supra-high-performance-auxiliary-radiator","title":"CSF BMW B58 M240I\/M340I\/M440I\/Supra High-Performance Auxiliary Radiator","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eCSF manufactures what is genuinely the most advanced and efficient radiator in the industry for your BMW or Supra, using innovative tube and fin technologies with industry-leading testing methods to maximise airflow and heat dissipation. As part of CSF's proven B58 Gen 2 cooling suite alongside their well-known heat exchanger and manifold products, this Auxiliary Radiator addresses the wider cooling system limitations that emerge under increased power and sustained aggressive driving on this platform.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe 2-row, 42mm ultra-high-performance core uses CSF's exclusive B-Tube technology, paired with 6.5mm tall multi-louvered fins for maximum surface area contact and heat dissipation. CNC-machined mounting brackets and OEM-style quick-connect inlet\/outlet fittings ensure a precise, durable fit, and 100% all-aluminium, TIG-welded construction offers a genuine upgrade over the factory design. This radiator is designed to fit both left and right sides, a practical detail for stocking and spares.\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. Fits both left and right sides, sold individually.\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\"\u003e2-row, 42mm ultra-high-performance core with CSF's exclusive B-Tube technology\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e6.5mm tall multi-louvered fins for maximised surface area contact and heat dissipation\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSame design fits both left and right sides, genuinely simplifies stocking and spares\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCNC-machined mounting brackets and OEM-style quick-connect fittings\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e100% all-aluminium, TIG-welded construction for genuine long-term durability\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eComplements CSF's proven B58 Gen 2 heat exchanger and manifold products for a complete cooling overhaul\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\/G21 M340i (B58 Gen 2)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eBMW G22\/G23\/G26 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\"\u003eBMW G29 Z4 M40i (B58 Gen 2)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eToyota GR Supra A90\/A91 (B58 Gen 2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eSold individually.\u003c\/strong\u003e Fits both left and right sides, most applications require both for a complete upgrade.\u003c\/p\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":54445230063949,"sku":"CSF-8179","price":495.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/4808\/2253\/files\/csf-bmw-b58-m240i-m340i-m440i-supra-high-performance-auxiliary-radiator.webp?v=1785685282","url":"https:\/\/i6tuning.com\/products\/csf-bmw-b58-m240i-m340i-m440i-supra-high-performance-auxiliary-radiator","provider":"i6 Tuning","version":"1.0","type":"link"}