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The Bilstein B12 Pro-Kit for BMW applications pairs Bilstein Performance dampers with Eibach Pro-Kit springs to provide a tuned lowering solution. For the specified BMW 435i/440i applications the kit delivers a moderate, even drop—typically between 24–40mm depending on application—while matching springs and dampers to each vehicle for precise response. The package aims to improve suspension dynamics, ride quality and visual stance with application-specific tuning.
Bilstein B12 Pro-Kit 14-16 BMW 435i / 17 BMW 440i Front and Rear Monotube Suspension Kit
