The Bilstein B12 (Pro-Kit) suspension kit for 2006 Audi A6 Quattro Avant is a complete front-and-rear package pairing Bilstein B8 dampers with Eibach Pro-Kit springs to provide modest fixed-height lowering and crisper handling. Springs feature progressive characteristics for precise response and strong driving dynamics. Kits are tuned for the vehicle to ensure even lowering between 24–40mm and predictable, controlled behavior.
Bilstein B12 2006 Audi A6 Quattro Avant Front and Rear Suspension Kit