The Bilstein B12 Pro-Kit suspension kit for 2008 Audi TT Quattro Base Coupe is a complete front-and-rear package pairing Bilstein B8 Performance Plus dampers with Eibach Pro‑Kit springs to provide a fixed, moderate lowering. Tuned to application for balanced ride and handling, it lowers roughly 24–40mm depending on fitment and uses progressive springs for precise response and predictable control.
Bilstein B12 2008 Audi TT Quattro Base Coupe Front and Rear Complete Suspension Kit