{"product_id":"upgraded-black-aluminum-auxiliary-side-radiator-heat-exchanger-kit-for-bmw-mqb-g80-m3-g82-m4-g87-m2-s58-3-0t-performance","title":"Upgraded Aluminum Auxiliary Side Heat Exchanger Radiator Kit for BMW G80 M3 G82 M4 G87 M2 S58 3.0T 2021+","description":"\u003cdiv\u003e\n\u003ch3\u003eDESCRIPTION\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEnhance Cooling Capacity, Stabilize Fluid Temperatures \u0026amp; Prevent Heat Soak For BMW G8X S58 M Models.\u003c\/strong\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nThis upgraded aluminum auxiliary side heat exchanger kit directly replaces the stock auxiliary cooling units. Enlarged core structure improves heat exchange efficiency, effectively stabilizing coolant temperatures under continuous high-load track or aggressive street driving, avoiding power derating caused by overheating.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nFull aluminum construction with durable black powder coated finish. Precision engineered according to OEM 3D data for direct bolt-on installation, all factory mounting positions and hose connections match perfectly without cutting or modification.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eVEHICLE FITMENT for:\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cstrong\u003eBMW G-Chassis S58 M Models\u003c\/strong\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW G80 M3 Sedan \/ M3 Competition \/ M3 CS \/ G81 M3 Touring\u003c\/strong\u003e — 2021+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW G82 M4 Coupe \/ M4 Competition \/ M4 CSL \/ G83 M4 Convertible\u003c\/strong\u003e — 2021+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW G87 M2 Coupe\u003c\/strong\u003e — 2023+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine: S58 3.0L Twin Turbo Inline Six\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIMPORTANT FITMENT EXCLUSIONS\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e❌ NOT fit F97 X3M \/ F98 X4M (Different mounting layout \u0026amp; dimensions)\u003c\/div\u003e\n\u003cdiv\u003e❌ NOT fit vehicles equipped with B58 engine such as G20 M340i, G22 M440i\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eKEY FEATURES\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Aluminum Welded Construction:\u003c\/strong\u003e Lightweight and robust, outstanding heat conductivity compared to OEM unit, long service life under sustained high temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgraded Enlarged Cooling Core:\u003c\/strong\u003e Optimized fin \u0026amp; tube layout expands heat exchange area, lowers fluid operating temperature and suppresses thermal throttling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Powder Coated Surface:\u003c\/strong\u003e Anti-corrosion coating resists road grime and weather erosion, maintains neat appearance in engine bay.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Direct Bolt-On OEM Fitment:\u003c\/strong\u003e Exact OEM dimensions and mounting geometry, no cutting, welding or custom fabrication required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Internal Flow Path:\u003c\/strong\u003e Balanced flow design ensures consistent cooling performance without creating extra flow resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eTECH SPECIFICATIONS\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Full Aluminum Alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess:\u003c\/strong\u003e TIG welded aluminum core \u0026amp; tanks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface Finish:\u003c\/strong\u003e Black Powder Coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Auxiliary Radiator \/ Side Heat Exchanger Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Engine:\u003c\/strong\u003e S58 3.0L Twin Turbo Inline Six\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Direct bolt-on replacement for factory auxiliary cooling radiators\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eWHAT'S IN THE BOX\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e1 Pair Aluminum Auxiliary Side Heat Exchanger (Aux Radiator)\u003c\/li\u003e\n\u003cli\u003eFull Set OEM Matching Installation Hardware Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Wanmax Racing","offers":[{"title":"Default Title","offer_id":55031589798260,"sku":"HEX-BM-G80S58-AUX","price":598.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/7244\/2740\/files\/AluminumPerformanceAuxiliaryRadiatorKitForBMWMQBG80M3G82M4G87M2S583_1_5.jpg?v=1785138091","url":"https:\/\/wanmaxracing.com\/products\/upgraded-black-aluminum-auxiliary-side-radiator-heat-exchanger-kit-for-bmw-mqb-g80-m3-g82-m4-g87-m2-s58-3-0t-performance","provider":"Wanmax Racing","version":"1.0","type":"link"}