The Bilstein B12 Pro-Kit suspension kit for the 1998 Audi A6 Quattro is a complete front-and-rear package pairing Bilstein B8 Performance Plus dampers with Eibach Pro-Kit springs tuned to the Quattro application. It offers fixed, moderate lowering of approximately 24–40mm to refine stance and handling while preserving build quality and balanced dynamics. Progressive Eibach springs deliver precise response and predictable control for OE-style replacement.
Bilstein B12 1998 Audi A6 Quattro Base Front and Rear Suspension Kit