BC RACING COILOVERS HM SERIES - BMW 3 SERIES E46 CONVERTIBLE (98-06) Manufacturer-Dyno 4th and 5th gear acceleration

4th and 5th gear acceleration despite the car having high-speed airflow

🔓 IN-HOUSE ECU UNLOCKING NOW AVAILABLE

After a lot of R&D working on the platform

( you can also opt for XHP STG1 or STG2 if you prefer)

BC RACING COILOVERS HM SERIES - BMW 3 SERIES E46 CONVERTIBLE (98-06) Manufacturer-Dyno 4th and 5th gear accelerationThe 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.