Bilstein Active Suspension Conversion Kit allows you to run aftermarket suspension upgrades on your vehicle equipped with electronic factory suspension. 50-174546 fits BMW E90-series M3 and E88 1M.
Bilstein Active Suspension Conversion Unit is a kit made for BMW's that utilize Electronic Damping Control (EDC) suspension. This conversions kit allows vehicles with EDC to run aftermarket struts and coilover kits without throwing a code.;
- E90 E92 E93 BMW M3 2008-2013
- E88 1-Series M 2011