BC RACING COILOVERS DS SERIES - BMW 3 SERIES E90 05-11 Model-Copper S JCW F56 and far more rewarding to

and far more rewarding to drive on both road and track

Professional ECU removal

We'll then do as many dyno runs as you want or need all while connecting our diagnostic software to record how the engine is perfoming throughout the run

Dual piston system

Software changes to alow for Secondary Air pump removal

BC RACING COILOVERS DS SERIES - BMW 3 SERIES E90 05-11 Model-Copper S JCW F56 and far more rewarding toThe BC Racing DS Series is built around digressive valving, offering similar benefits to the BR Series but with a stronger focus on track performance. The digressive piston design delivers a non linear damping curve, allowing higher low speed damping to control body roll during cornering, braking, and acceleration, while reducing high speed damping to let the suspension travel freely over kerbs and rough sections without unsettling the chassis. Key