BC Racing 14- BMW 4 Series AWD (3-Bolt Top Mounts) Coilovers fits_2003-2008`Audi`S4 All BC Coilovers come with

All BC Coilovers come with pillowball mounts to provide the most feedback possible from your suspension and to sharpen your steering response

We highly recommend adding the Rear Damping Extenders for Z and G cars

Swift Springs Come Standard On HM Series Coilovers

Spring rates for the front are 10kg/mm and 8kg/mm for the rear

BC Racing 14- BMW 4 Series AWD (3-Bolt Top Mounts) Coilovers fits_2003-2008`Audi`S4 All BC Coilovers come withBR Series "These images may not represent your application" The BC Racing BR Series offers the most affordable entry into coilover suspension without sacrificing performance, comfort, build quality, vehicle height, or handling. This is done by extensively testing each vehicle then refining the coilover characteristics as many times as needed to ensure the most well balanced and affordable aftermarket suspension conceivable. BC Racing takes great pride