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The Bilstein B12 (Pro‑Kit) complete suspension kit for BMW 640i (2012–2017) combines Bilstein Performance dampers with Eibach Pro‑Kit springs to deliver a fixed moderate lowering between 24–40mm depending on application. Tuned per application with B8 Performance Plus dampers and progressive springs, the kit balances improved stance and precise response with predictable control for street use.
Bilstein B12 (Pro-Kit) 12-17 BMW 640i Base L6 3.0L Front and Rear Suspension Kit
