The Bilstein B12 (Pro‑Kit) suspension kit for 2006 BMW 330xi sedan is a complete front-and-rear package pairing Bilstein B8 dampers with Eibach Pro‑Kit springs tuned for the application. With moderate fixed lowering—typically 24–40mm depending on fitment—the kit focuses on refined driving dynamics, responsive handling and a lower stance that remains compatible with daily road use.
Bilstein B12 2006 BMW 330xi Base Sedan Front and Rear Suspension Kit