BC Racing BR - RN Series BMW F82 M4 14-18 (3-BOLT TOP MOUNT) Select Configuration:BMW M4 3-BOLT F82 14-18 6/14KG.MM Superior engine protection from dirt

Superior engine protection from dirt

Gains of 10 bhp

These have a bore size of 57

This material is anti-magnetic (other manufacturers' stainless steel may not be) and is less susceptible to discoloration

BC Racing BR - RN Series BMW F82 M4 14-18 (3-BOLT TOP MOUNT) Select Configuration:BMW M4 3-BOLT F82 14-18 6/14KG.MM Superior engine protection from dirtBC Racing BR RN Series BMW F82 M4 14 18 (3 BOLT TOP MOUNT) The BR series coilovers use a large 46mm diameter piston in a 53mm diameter damper body to maximise oil capacity. As the damper unit operates the oil contained within heats up. The viscosity of oil changes as its temperature varies which can lead to changes in the damping characteristics of the unit. The RN series coilover kits are supplied without front top mounts and with aluminium rear top