BC RACING COILOVERS DS SERIES - BMW 3 SERIES E90 05-11 Model-Copper S JCW F56 STG1+ Tuning is based around

STG1+ Tuning is based around our STG2 tuning

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

BMW B58 GEN2 STAGE 2 TUNING PACKAGE

The Stage 1 Tune is made for the sporty

BC RACING COILOVERS DS SERIES - BMW 3 SERIES E90 05-11 Model-Copper S JCW F56 STG1+ Tuning is based aroundThe 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