BC Racing 14 BMW 3 Series M4 (3-Bolt Top Mount) (EDC) Coilovers Series:DS-SERIES where weight can be more

where weight can be more easily shaved

You can request custom spring rates by entering the rates you want in the special instructions box after clicking add to cart

Each ER Series Coilover System undergoes the same rigorous testing and development as the coilover series that precede it

Digressive Piston And Damping Curve

Custom spring rates available as well as Swift Spring upgrade upon request

BC Racing 14 BMW 3 Series M4 (3-Bolt Top Mount) (EDC) Coilovers Series:DS-SERIES where weight can be moreBR 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