AST 5200 Series Coilovers BMW 1 series - E8X 1989-audi-90-quattro-base-esi6937400 This system does NOT include

This system does NOT include AFM or NPP valves

Flow and Performance: This MACH Force-Xp mid-pipe with resonator delete is constructed of 2-1/2" mandrel-bent

Progressive rate sleeve-style springs with performance valving

quality pliers

AST 5200 Series Coilovers BMW 1 series - E8X 1989-audi-90-quattro-base-esi6937400 This system does NOT includeYou take performance seriously and the AST 2 WAY Motorsport Suspension is built for drivers like you. Designed for true track enthusiasts, it delivers race level precision and control. This monotube coilover system is 2 way adjustable for rebound, compression, and ride height, featuring external reservoirs for maximum consistency under extreme conditions. It includes camber adjustable front top mounts, solid rear mounts, and adjustable rate springs.