The Bilstein B12 Pro-Kit suspension kit for 1997 BMW Z3 2.8i is a full front-and-rear package pairing Bilstein B8 Performance Plus dampers with Eibach Pro‑Kit springs to provide a fixed, moderate lowering. Tuned for each application to maintain ride balance, it lowers about 24–40mm depending on fitment and is designed for original-equipment replacement while improving response and predictable control.
Bilstein B12 1997 BMW Z3 2.8i Front and Rear Suspension Kit