Bilstein B6 Performance rear shock for 2011 BMW 528i Base is a 46mm monotube damper tuned for the vehicle's factory spring. With application-specific valve settings and gas-pressure technology, it improves handling, grip, and lane stability while keeping day-to-day comfort. Each unit is tested to meet or exceed OE quality standards, giving a consistent, tuned ride without requiring new springs.
Bilstein B6 2011 BMW 528i Base Rear Shock Absorber