The Bilstein B6 36mm monotube rear shock for the 2009 BMW Z4 sDrive30i is a performance upgrade tuned to work with factory springs to enhance handling and safety. Its monotube design and application-specific valve settings use gas-pressure technology to improve grip and lane stability in daily and spirited driving. Each damper is tested to meet or exceed OE standards for consistent Bilstein quality.
Bilstein B6 2009 BMW Z4 sDrive30i Rear Shock Absorber