Bilstein B8 46mm monotube rear shock absorber for 2012–2017 BMW 640i/650i applications offers upgraded damping calibrated for sportier setups and lowering springs. The B8 Performance Plus line provides vehicle-specific valve settings to improve handling and reduce body roll while retaining comfort, and each damper is tested to align with or exceed OE quality for reliable fitment and performance.
Bilstein B8 12-17 BMW 640i/650i Rear Monotube Shock Absorber