{"product_id":"do88-auxiliary-radiator-bmw-b58-s58-amp-toyota-supra","title":"do88 Auxiliary Radiator – BMW B58 Gen 2 (G-Series) \u0026 Toyota Supra","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eAlongside the main charge-air heat exchanger, the B58 Gen 2\/Supra platform uses a secondary \"auxiliary\" radiator in the front cooling stack — helping manage additional heat load, particularly under sustained high-load or track conditions. The do88 Auxiliary Radiator is a larger-capacity replacement for this factory component, designed to complement the do88 Front Intercooler Radiator as part of a complete cooling system upgrade.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Full aluminum construction with TIG-welded end tanks, matching the build quality of do88's other radiator products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Designed as a direct replacement for the factory auxiliary radiator, using OE mounting points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatform-specific:\u003c\/strong\u003e Engineered specifically for the B58 Gen 2\/Supra platform — not a universal or one-size-fits-all radiator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2x do88 auxiliary radiator\u003c\/li\u003e\n\u003cli\u003eMounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDirect-fit replacement for the factory auxiliary radiator — no permanent modification required.\u003c\/li\u003e\n\u003cli\u003eCommonly installed alongside the \u003ca href=\"https:\/\/x58cartel.com\/products\/do88-front-intercooler-radiator-heat-exchanger-bmw-b58-s58-amp-toyota-supra\"\u003edo88 Front Intercooler Radiator\u003c\/a\u003e for a complete front cooling system upgrade, though it functions independently as well.\u003c\/li\u003e\n\u003cli\u003edo88 provides installation instructions with each unit.\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/WC-410.pdf?v=1785358284\" target=\"_blank\"\u003eWC-410 installation instructions »\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWC-410\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%; text-align: left;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM340i (xDrive)\u003c\/td\u003e\n\u003ctd\u003eG20 \/ G21\u003c\/td\u003e\n\u003ctd\u003eB58 (Gen 2)\u003c\/td\u003e\n\u003ctd\u003e2019+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eZ4 M40i\u003c\/td\u003e\n\u003ctd\u003eG29\u003c\/td\u003e\n\u003ctd\u003eB58 (Gen 2)\u003c\/td\u003e\n\u003ctd\u003e2019–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM440i (xDrive)\u003c\/td\u003e\n\u003ctd\u003eG22 \/ G23 \/ G26\u003c\/td\u003e\n\u003ctd\u003eB58 (Gen 2)\u003c\/td\u003e\n\u003ctd\u003e2019+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM240i (xDrive)\u003c\/td\u003e\n\u003ctd\u003eG42\u003c\/td\u003e\n\u003ctd\u003eB58 (Gen 2)\u003c\/td\u003e\n\u003ctd\u003e2019+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eGR Supra 3.0 \/ 3.0 Premium\u003c\/td\u003e\n\u003ctd\u003eA90 \/ A91\u003c\/td\u003e\n\u003ctd\u003eB58 (Gen 2)\u003c\/td\u003e\n\u003ctd\u003e2020–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eNote: this product is not available for the B58 Gen 1 (F-series) platform, which does not use the same auxiliary radiator layout. Always confirm your exact chassis and engine generation before ordering.\u003c\/em\u003e\u003c\/p\u003e\n","brand":"do88","offers":[{"title":"Default Title","offer_id":53704133214515,"sku":"WC-410","price":490.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/WC-410_1.webp?v=1785183419","url":"https:\/\/x58cartel.com\/products\/do88-auxiliary-radiator-bmw-b58-s58-amp-toyota-supra","provider":"x58cartel","version":"1.0","type":"link"}