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The Bilstein B4 rear twin‑tube shock absorber for a 1989 BMW 525i Base is an OE replacement designed to return original ride quality and handling. Engineered to meet OE standards, the B4 restores driving comfort, balanced control and safety. With twin‑tube construction and precise manufacturing, it provides dependable damping and the power reserves needed to mirror the vehicle’s factory performance.
Bilstein B4 1989 BMW 525i Base Rear Twintube Shock Absorber
