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The Bilstein B12 Pro-Kit suspension kit for 1999 Audi A4 Avant is a complete front-and-rear package pairing Bilstein B8 Performance Plus dampers with Eibach Pro‑Kit springs to deliver fixed, moderate lowering. Tuned for each application to maintain balanced ride and handling, the kit lowers about 24–40mm depending on fitment and uses progressive springs for improved response and predictable control.
Bilstein B12 1999 Audi A4 Avant Front and Rear Suspension Kit
