BC RACING COILOVERS HM SERIES - BMW 3 SERIES E46 M3 CONVERTIBLE (00-06) Type:HM while still remaining manageable on

while still remaining manageable on the road for those who drive their car to and from events

If you need help choosing the right spring rate based on track layout

repeatable

1) Read your stock ECU file using the My Flasher app2) Send the file to TRS through the app3) We build your base calibration (tailored to your setup & usage)4) Flash the tuned file back to the vehicle via your phone

but the HM Series naturally caters to performance-focused builds

BC RACING COILOVERS HM SERIES - BMW 3 SERIES E46 M3 CONVERTIBLE (00-06) Type:HM while still remaining manageable onThe BC Racing HM Series builds on the capabilities of the RM range but adds fully independent 2 way damping adjustment for serious track use. Each HM kit features inverted monotube dampers with separate compression and rebound control, giving drivers the ability to fine tune handling balance with far greater precision. The inverted damper design relocates critical damper fluid and internal components away from heat sources such as brakes and hubs.