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Wanmax Racing
Upgraded Aluminum Auxiliary Side Heat Exchanger Radiator Kit for BMW G80 M3 G82 M4 G87 M2 S58 3.0T 2021+
$598.00
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CODE: HEX-BM-G80S58-AUX
Categories: Heat Exchanger
100% ORIGINAL AND QUALITY
24 MONTHS GUARANTEE
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DESCRIPTION
Enhance Cooling Capacity, Stabilize Fluid Temperatures & Prevent Heat Soak For BMW G8X S58 M Models.
This 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.
Full 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.
VEHICLE FITMENT for:
BMW G-Chassis S58 M Models
- BMW G80 M3 Sedan / M3 Competition / M3 CS / G81 M3 Touring — 2021+
- BMW G82 M4 Coupe / M4 Competition / M4 CSL / G83 M4 Convertible — 2021+
- BMW G87 M2 Coupe — 2023+
- Engine: S58 3.0L Twin Turbo Inline Six
IMPORTANT FITMENT EXCLUSIONS
❌ NOT fit F97 X3M / F98 X4M (Different mounting layout & dimensions)
❌ NOT fit vehicles equipped with B58 engine such as G20 M340i, G22 M440i
KEY FEATURES
- Full Aluminum Welded Construction: Lightweight and robust, outstanding heat conductivity compared to OEM unit, long service life under sustained high temperature.
- Upgraded Enlarged Cooling Core: Optimized fin & tube layout expands heat exchange area, lowers fluid operating temperature and suppresses thermal throttling.
- Black Powder Coated Surface: Anti-corrosion coating resists road grime and weather erosion, maintains neat appearance in engine bay.
- 100% Direct Bolt-On OEM Fitment: Exact OEM dimensions and mounting geometry, no cutting, welding or custom fabrication required.
- Optimized Internal Flow Path: Balanced flow design ensures consistent cooling performance without creating extra flow resistance.
TECH SPECIFICATIONS
- Material: Full Aluminum Alloy
- Process: TIG welded aluminum core & tanks
- Surface Finish: Black Powder Coating
- Product Type: Auxiliary Radiator / Side Heat Exchanger Kit
- Compatible Engine: S58 3.0L Twin Turbo Inline Six
- Installation: Direct bolt-on replacement for factory auxiliary cooling radiators
WHAT'S IN THE BOX
- 1 Pair Aluminum Auxiliary Side Heat Exchanger (Aux Radiator)
- Full Set OEM Matching Installation Hardware Kit
