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STG 1 Power increased to 250BHP and 420Nm or 360Nm of torque
Higher spring rates can be selected for cars running slicks
antitheft all with BM3 switchable mapping on the fly
This product consists of:
which doesn't have to be the case
BC RACING COILOVERS HM SERIES - BMW 3 SERIES E46 98-06 (EXCL M3) (TRUE REAR COILOVER) Type:HM STG 1 Power increased toThe 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.