Bilstein B12 Pro Kit - BMW F Series 4 Series 435i | 440i M235i The CSF Charge Cooler Water

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

For installing the slip-on system

while leaving the inside-cabin noise within reasonable levels

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

All the characteristics of the 987311 (easy fit

Bilstein B12 Pro Kit - BMW F Series 4 Series 435i | 440i M235i The CSF Charge Cooler WaterFor 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