BC Racing BR Series Coilovers for 09-16 BMW Z4 (E89) (Replaces I-47-BR) BMW 5 Series This media is best for

This media is best for street and/or track use

These are TIG welded to the bar in a dedicated fixture to insure accurate hole positioning and consistent manufacturing

While the F87 M2 (N55) is very capable on the street and track

They are available in high-gloss or matte finish

BC Racing BR Series Coilovers for 09-16 BMW Z4 (E89) (Replaces I-47-BR) BMW 5 Series This media is best forBC Racing BR Series The BC Racing BR Series offers the most affordable entry into coilover suspension without sacrificing performance, comfort, build quality, 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. Highly Customizable Mono Tube Shock Design Linear Piston And Damping Curve Height