{"product_id":"csf-bmw-b58-gen-1-m140i-m240i-340i-440i-charge-air-cooler-manifold","title":"CSF BMW B58 Gen 1 (M140I\/M240I\/340I\/440I) Charge Air Cooler Manifold","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eFollowing the runaway success of CSF's Gen 2 \"Super Manifold\" for G-Chassis BMW and the Toyota Supra - with over 450 units sold, CSF received countless requests to bring the same design to the Gen 1 B58 F-Chassis platform. The wait is over: the Super Manifold is now available for the F-Series, with all the same industry-leading features and specs as the latest Gen 2 version, plus additional refinements for an even better fit and finish than earlier competing designs.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe OEM water-cooled charge-air-cooler intake manifold works fine on stock or lightly modified cars, but shows real weakness once bolt-on modifications, turbo upgrades, increased fueling, or performance tuning enter the picture - rising charge air temperatures forcing the ECU to cut power at exactly the wrong moment. CSF's manifold doubles the OEM core's cooling capacity with \u003cstrong\u003e12 rows of water cooling versus the factory's 6\u003c\/strong\u003e, alongside significantly lower pressure drop across the core, an integrated air divider for even airflow distribution, and easy access to the spin-off oil filter so you never need to remove the manifold for routine oil changes. Independent A\/B dyno testing on a Stage 2 car making ~400whp (no port injection) showed a real-world gain of \u003cstrong\u003e~26whp and 11wtq\u003c\/strong\u003e from the manifold swap alone - with the performance delta growing larger as power increases.\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 Manifold\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\u003eDouble the OEM core's cooling capacity\u003c\/strong\u003e - 12 rows vs the factory's 6\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSignificantly lower pressure drop\u003c\/strong\u003e - genuine flow advantage, not just more cooling rows\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCFD-designed with integrated air divider\u003c\/strong\u003e - even airflow distribution across the core\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eIncludes fuel rail and top-feed port injection kit\u003c\/strong\u003e - ready for serious power builds\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eEasy spin-off oil filter access\u003c\/strong\u003e - no need to remove the manifold for oil changes\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSame proven design as the Gen 2 Super Manifold\u003c\/strong\u003e - refined further for improved fit and finish\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":54427699937613,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":false},{"title":"Thermal Dispersion Black","offer_id":54427699970381,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":false},{"title":"Custom Finish (color choice after placing order)","offer_id":54427700003149,"sku":null,"price":0.0,"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-charge-air-cooler-manifold.webp?v=1785412758","url":"https:\/\/i6tuning.com\/products\/csf-bmw-b58-gen-1-m140i-m240i-340i-440i-charge-air-cooler-manifold","provider":"Inline6 Tuning","version":"1.0","type":"link"}