The AST 5100 Clubracing coilover for 2002–2008 BMW Z4 (E85/E86) is a monotube suspension kit tuned for drivers seeking a balance of road comfort and track control. It is 1-way adjustable for rebound and ride height, includes high-performance springs, camber-adjustable front top mounts and rebuildable dampers for long-term tuning flexibility.
AST 02-08 BMW Z4 Coupe/Convertible - E85/E86 5100 Comp Series Coilovers