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The Bilstein B12 (Pro-Kit) front suspension kit for the 2009 BMW Z4 sDrive30i features Bilstein B8 Performance Plus dampers matched with Eibach Pro-Kit springs as a direct-fit replacement. Tuned for the application, the front kit offers moderate lowering and progressive spring characteristics that enhance steering response and driving dynamics while maintaining predictable control and compatibility with the vehicle's original suspension geometry.
Bilstein B12 2009 BMW Z4 sDrive30i Front Suspension Kit
