The Bilstein B12 (Pro-Kit) suspension kit for the 2010 BMW 650i convertible is a complete front-and-rear package pairing Bilstein B8 Performance Plus dampers with Eibach Pro-Kit springs. Tuned for the application, it provides moderate lowering of about 24–40mm and progressive spring characteristics that enhance response, driving dynamics and predictable control while retaining comfortable, safe operation for a lowered convertible setup.
Bilstein B12 2010 BMW 650i Base Convertible Front and Rear Suspension Kit