BC RACING COILOVERS DS SERIES - BMW 3 SERIES E90 M3 06-13 (TRUE REAR COILOVER) Spring Rates:RECOMMENDED KIT 6/6 KG.MM - XHP STG3 Gearbox Tuning

- XHP STG3 Gearbox Tuning ( £300 Price reduction for manual cars )

This price is for fully custom tuning

focusing on outright performance

After tuning hundreds of STG3 Fiesta's over the years we've found that this large curved STG3 intercooler yeilded great results and works well with our tuning

Upgraded B58TU High Pressure Fuel Pump (Genuine Bosch/BMW part)

BC RACING COILOVERS DS SERIES - BMW 3 SERIES E90 M3 06-13 (TRUE REAR COILOVER) Spring Rates:RECOMMENDED KIT 6/6 KG.MM - XHP STG3 Gearbox TuningThe 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