BC RACING COILOVERS ZR SERIES - BMW 3 SERIES E46 CONVERTIBLE (98-06) Type:ZR Whether you choose our STG1

Whether you choose our STG1 calibration or the full STG2 performance package

- Flashing Licence

or heavy chassis modifications

by choosing the “Upload Data” option on the program

shiftpressures and timings are adapted in all modes

BC RACING COILOVERS ZR SERIES - BMW 3 SERIES E46 CONVERTIBLE (98-06) Type:ZR Whether you choose our STG1The BC Racing ZR Series is a true 3 way adjustable coilover system designed for serious track use, offering performance and adjustability normally found only in far more expensive motorsport dampers. Each ZR kit provides completely independent high speed compression, low speed compression, and rebound adjustment, allowing precise control over chassis behaviour in every phase of a corner. As with other BC Racing motorsport grade kits, the ZR Series