BMW Z4 M (E85) 2006-2008 - 500 Series Coilovers decal Research on the racetrack has

Research on the racetrack has helped us develop the Fortune Auto 500 Series into a great all-around shock absorber

whereas the Concave Flow Digressive Technology has a broad range of 8kg spring rates

Please note: optional performance upgrades are not included in this service

Replacement shock insert for Fortune Auto coilovers

Swift Springs standard on most applications - HyperCo substitute (Includes Front Endlinks & Rear Swifts are not applicable)

BMW Z4 M (E85) 2006-2008 - 500 Series Coilovers decal Research on the racetrack hasCUSTOM. MODULAR. REBUILDABLE. Fortune Auto engineers are consistently chasing improvement and the development of the Generation 8 500 series damper is no exception. The 500 Series single adjustable coilover is the entry into the Fortune Auto verse. Utilizing the highly advanced, High Flow Digressive Piston to optimize the perfect balance between performance and comfort along with the ability to upgrade and rebuild; youll never have to buy coilovers