{"product_id":"csf-bmw-f-chassis-gen-1-b58-high-performance-all-aluminum-radiator","title":"CSF BMW F-Chassis Gen 1 B58 High-Performance All-Aluminum Radiator","description":"\u003cp\u003eCSF has built a reputation for producing the best B58 cooling systems on the market. Backed by years of experience and input from customers, race teams, and development partners, CSF leads the industry in Gen 1 B58 cooling technology.\u003c\/p\u003e \u003cp\u003eAs more enthusiasts push the performance limits of F-Chassis BMWs, the factory radiator has started to show its age. Increased boost and upgraded turbos generate significantly more heat, and the stock system can struggle to keep up. Combined with the heat exchanger mounted in front of the radiator, engine coolant temps can get too hot, especially during track use which can trigger limp mode.\u003c\/p\u003e \u003cp\u003eOn top of that, OEM plastic radiators degrade over time. With clogged tubes, damaged fins, and a higher risk of cracked tanks or gasket failure, replacing the stock radiator becomes essential for long-term reliability and performance.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey Design Features:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e20–25% increase in heat transfer efficiency using CSF’s exclusive 5mm fin technology\u003c\/li\u003e \u003cli\u003eImproved cooling performance to support high-boost, big-turbo builds\u003c\/li\u003e \u003cli\u003eAll-aluminum construction for superior durability over OEM plastic tanks\u003c\/li\u003e \u003cli\u003eDesigned to work seamlessly with factory or aftermarket heat exchangers\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn11.bigcommerce.com\/s-fh9wsjv2\/product_images\/uploaded_images\/moved-e9b9881d6242b31f72173e6224aab489.png\" alt=\"\"\u003e\u003c\/p\u003e \u003cp\u003eThe original OE radiator from BMW is a plastic tank with a single row aluminum core design. While this is generally accepted as good quality and durable, there is always room for improvement. The 4.5mm fins on the OE radiator made the system fairly efficient for a factory unit. The core itself is one of the biggest limiting factors at only 34mm thick and a single cooling row.\u003c\/p\u003e \u003cp\u003eWhether you’re building a street sleeper or prepping for your next track day, CSF’s Gen 1 B58 Radiator is engineered to handle the heat and then some.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e2-Row – 42mm Ultra-High-Performance Core\u003c\/li\u003e \u003cli\u003eCooling Tubes with CSF’s Exclusive B-Tube Technology\u003c\/li\u003e \u003cli\u003eNew 5mm Tall Ultra Efficient Fins with a Multi-Louvered Design for Maximum Surface Area Contact\u003c\/li\u003e \u003cli\u003eCNC Machined Mounting Brackets and OEM Style Inlet\/Outlet\u003c\/li\u003e \u003cli\u003e100% All Aluminum TIG-Welded Construction\u003c\/li\u003e \u003cli\u003eHand Brushed Satin Finish\u003c\/li\u003e \u003cli\u003eTrue Plug-and-Play “Drop-in Fit” Installation Requires Absolutely No Modifications\u003c\/li\u003e \u003cli\u003eIndividually Leak and Pressure Tested\u003c\/li\u003e \u003cli\u003e2-Year Limited Warranty\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/span\u003e:\u003c\/p\u003e \u003cp\u003e2016-2019 BMW F3X 340i (incl. xDrive)\u003cbr\u003e2017-2020 BMW F3X 440i (incl. xDrive)\u003cbr\u003e2017-2021 BMW F2X M240i (incl. xDrive)\u003cbr\u003e2017-2019 BMW F3X 330i w\/ M Sport Package (incl. xDrive)\u003cbr\u003e2017-2020 BMW F3X 430i w\/ M Sport Package (incl. xDrive)\u003cbr\u003e2017-2020 BMW F2X 230i w\/ M Sport Package (incl. xDrive)\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOEM Part Numbers:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eBMW: 17118482623\u003c\/p\u003e","brand":"CSF Intercoolers","offers":[{"title":"Default Title","offer_id":47759799877862,"sku":"7089","price":649.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.rmknox.com\/products\/csf-bmw-f-chassis-gen-1-b58-high-performance-all-aluminum-radiator","provider":"RM Motor Werks","version":"1.0","type":"link"}