Maximum performance with the Wagner Tuning Competition water cooler kit for the BMW F80-82-83 M3/M4 Maximum performance with the Wagner Tuning Competition water cooler kit for the BMW F80-82-83 M3/M4 - Now with parts certificate - Developed to maximise the performance of your BMW M3/M4 - Separate cooling water circuit - Innovative cooling technology to reduce the cooling water temperature and improve charge air performance - Competition racing nets increase the radiator volume - Radiator volume increases by: 89% (front) 94% (lateral) - Maximum heat transfer and sufficient airflow for neighbouring components such as the engine water cooler - Thermally conductive anti-corrosion coating for long-term cooling effect - Uncomplicated installation thanks to detailed installation instructions (almost plug & play) Prepare to take the performance of your BMW M3/M4 to a whole new level. The Wagner Tuning Competition Water Cooler Kit is designed to push the limits of performance and give your vehicle unparalleled performance. The 3.0 liter S55B30 turbo engine of the BMW M3/M4 is equipped with an indirect charge air cooling circuit, which requires innovative cooling technology. Our upgrade water cooler takes advantage of a dedicated cooling water circuit to reduce cooling water temperature and improve charge air performance. Thanks to our high-performance competition racing mesh, the radiator volume is increased by an impressive 89% (front) and 94% (side). This enables maximum heat transfer while ensuring sufficient airflow for adjacent components such as the engine water cooler. Our water coolers are equipped with a thermally conductive anti-corrosion coating that ensures a long-term and reliable cooling effect. Installation is straightforward and almost plug & play thanks to our detailed installation instructions. Get ready to optimize your driving dynamics and experience an exceptional driving experience. Don't miss the opportunity to exceed the performance limits of your BMW M3/M4 and enjoy the ultimate driving experience. Competition water cooler kit for the BMW F80-82-83 M3/M4 Dimensions OEM water cooler (frontal): 590 mm x 308 mm x 25 mm V = 4.5 liters A = 1817 cm² Wagner Tuning water cooler dimensions (front): 568 mm x 468.4 mm x 32 mm V = 8.5 liters (+89%) A = 2660.5 cm² (+46.4%) OEM water cooler dimensions (side): 250 mm x 165 mm x 40 mm V = 1.65 liters A = 412.5 cm² Wagner Tuning water cooler dimensions (side): 252 mm x 188 mm x 68 mm V = 3.2 liters (+94%) A = 473.8 cm² (+14.9%) Part number 400001003 Kit comes with: 1x front water cooler (low-temperature circuit) 1x side water cooler (low-temperature circuit) 1x carbon air duct for the side water cooler 1x mounting material 1x certificate + installation instructions