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The Bilstein B4 OE Replacement twin-tube shock restores original ride quality for rear suspension applications on 2014–2015 BMW 428i and 435i models. Engineered to meet or exceed OE standards, these dampers aim to recover factory handling, comfort, and safety. Their precise construction and high power reserves provide dependable OE-style control for drivers looking to replace worn shocks with a like-for-like solution.
Bilstein B4 2014-2015 BMW 428i/435i Rear Twintube Shock Absorber
