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Bilstein B4 rear twintube shock absorber designed for 2012–2013 BMW 320i/328i/335i models. These OE-quality dampers are intended to restore the original handling and ride comfort of the vehicle, offering precise construction and high reserves for safe, consistent operation. The rear twintube design helps maintain factory performance when replacing worn shocks.
Bilstein B4 12-13 BMW 320i/328i/335i Rear Twintube Strut Assembly
