Bilstein B12 Pro Kit - BMW F Series 4 Series 435i | 440i M235i Compliant to the noise regulation

Compliant to the noise regulation 70/157/EEC

The Audi S1 system uses our Patent Pending Carbon fibre Housing which provides an aerodynamically efficient airflow path from the filter to the turbo tube

The CSF Charge Cooler Water Radiator AKA Heat Exchanger is the most technologically advanced on the market

For installing the slip-on system

Once activated

Bilstein B12 Pro Kit - BMW F Series 4 Series 435i | 440i M235i Compliant to the noise regulationFor vehicles with electronic suspension control The BILSTEIN B12 Pro Kit series offers the perfect start to lower your car and get that sporty driveability. The formula: Four high performance shock absorbers, four springs, best tuning and BILSTEIN expertise. A winning combination. The BILSTEIN B12 Pro Kit allows vehicles to be lowered up to 40mm. The kit has the perfect combination of sporty dynamics, aesthetics, and load bearing capacity. This