BC RACING COILOVERS HM SERIES - BMW 3 SERIES E46 CONVERTIBLE (98-06) Manufacturer-Dyno ( you can also opt

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

Each system is crafted from aerospace-grade T304 stainless steel and developed using the same tools

the enlarged induction pipe features a smoother design with fewer bends to hinder airflow and an increase in overall internal volume to reduce restriction and improve flow to the turbo

The Recommended spring rate provides a strong baseline for mixed use

-Valet Mode

BC RACING COILOVERS HM SERIES - BMW 3 SERIES E46 CONVERTIBLE (98-06) Manufacturer-Dyno ( you can also optThe 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.