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The Bilstein B8 Performance Plus rear monotube shock for 2003–2008 BMW Z4 (E85) is an application-specific valved damper designed to pair with lowering springs. Its 36 mm monotube construction and tailored valving aim to sharpen handling and provide a sportier feel while preserving ride comfort, meeting Bilstein's OE-quality testing standards for upgraded lowered suspensions.
Bilstein 03-08 BMW Z4 (E85) B8 Performance Plus Rear Monotube Shock Absorber
