2007-2013 BMW 3-SERIES CONVERTIBLE/WAGON NON-M (RWD) - BC RACING DS M4 COMPETITION PERFORMANCE COMFORT COILS

PERFORMANCE COMFORT COILS

The two-stage

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K2 DS1 Valve - This is our hybrid valve

2007-2013 BMW 3-SERIES CONVERTIBLE/WAGON NON-M (RWD) - BC RACING DS M4 COMPETITION PERFORMANCE COMFORT COILSNOTE: This product is special order and usually takes 4 6 weeks. Please contact us with any questions regarding the order. NOTE: Extreme Low are custom orders and are a 4 6 weeks wait time. Note: Does not fit AWD models. BC Racing's new proprietary digressive piston design offers increased damping force at low piston velocities while maintaining a linear damper feel at higher piston velocities. One of the greatest advantages of increased low speed