BC Racing BMW M3/M4 G80/G82 ZX Series 3 Way Adjustment Coilover Configuration:ZX 6.5/14 KG.MM (xDrive Models) Requires Stage 2 ECU Remap

Requires Stage 2 ECU Remap - Fits Milltek Sport and OE Cat Back Systems

MHD UNI Adapter Automatically detects vehicle type and uses the best available technology

Give your BMW G21 M340i xDrive Touring the extra stance it needs with AST lowering springs

this low SAPS (sulphated ash

The high-flow downpipe produces an enhanced sound that delivers a pure racing emotion and fantastic feedback at high revs

BC Racing BMW M3/M4 G80/G82 ZX Series 3 Way Adjustment Coilover Configuration:ZX 6.5/14 KG.MM (xDrive Models) Requires Stage 2 ECU RemapOverview The BC Racing ZX Series offers the highest level of adjustability within the BC Racing coilover system to date. Designed specifically for racing and track use, the ZX Series features 3 way adjustable damping force, providing 20 clicks of low speed compression, 12 clicks of high speed compression, and 30 clicks of rebound adjustment. The ZX Series adopts an upright cylinder design, allowing for the possibility of replacing the upper mount,