AST 5100 1-Way Coilovers 2002-08 BMW Z4 E85/E86 (ACU-B1101SD)

Free ground shipping.   Fits coupe and roadster.    This is a special order kit. Delivery time can be 2-4 weeks.     Using your car on the track or want to get the best handling and response for comfortable daily use?   Or is it a combination of both you are looking for?   Then the 5100 series coilover kit by AST is a perfect choice.   Brief description on the AST lineup. Choose the right kit for you.    Features and benefits:   1-way adjustable, the 12 positions give clear feedback with each adjustment, each offering a different driving experience.   Inverted strut design to cope with (heavy) side load and braking loads.   In some cases a non inverted damping system is used.   Improved handling and consistent performance due to monotube shock technology.   Ride height adjustable. 30-65mm lowering range on most applications. (1.2-2.6 inches)   Gas pressurized dampers (gas and oil are divided by a floating piston).   Designed to work with your OEM top mounts.   The best adjustable coi