BC RACING COILOVERS RM SERIES - BMW 3 SERIES E46 98-06 (EXCL M3) (TRUE REAR COILOVER) Audi S3 8V (Non GPF Model Only) Using the MSS70 ECU rather

Using the MSS70 ECU rather then the MSS54

The device can be updated remotely if you ever go through to the next stages of tuning and require updated software to suit or are not happy with the features chosen at the beginning

Wait a few seconds and the device will be erased of any previous tuning

If you're unsure which spring rate is best for your needs

Drivability

BC RACING COILOVERS RM SERIES - BMW 3 SERIES E46 98-06 (EXCL M3) (TRUE REAR COILOVER) Audi S3 8V (Non GPF Model Only) Using the MSS70 ECU ratherThe BC Racing RM Series uses inverted monotube dampers on the front, or on both front and rear depending on the application. It offers many of the same features as the BR Series but with the added advantages of an inverted damper design, making the RM Series better suited to fast road and track focused driving. Inverting the damper reduces unsprung weight, improves steering response, and moves critical damper fluid away from brake and hub heat. This