The Bilstein B4 twin-tube rear shock absorber restores OE ride quality for 2011–2016 BMW 535i/550i xDrive models without electronic suspension. B4 dampers are engineered as direct OE replacements to meet or exceed factory standards, helping return original driving comfort, handling and safety with high-quality components tailored to the specified BMW rear application.
Bilstein B4 11-16 BMW 535i/550i xDrive (w/o Electronic Suspension) Rear Twintube Shock Absorber