The Bilstein B4 OE replacement twintube shock absorber for 2004–2007 BMW 525i and 2008–2010 528i (rear) provides a direct-fit replacement to restore factory ride and handling. Built to meet or exceed OE standards, it reproduces original damping characteristics without modification. Precise construction and high power reserves promote consistent control and OE-quality comfort, returning the vehicle to its intended driving feel.
Bilstein 04-07 BMW 525i / 08-10 528i B4 Rear Twintube Shock Absorber