BC Racing BR - RH Series BMW F80 M3 14-18 (3-BOLT TOP MOUNT) (TRUE REAR COILOVER) BMW > 2 Series > F22/F23 2Dr Coupe/Convertible 2014 Onwards > 220i 2014-2016 (N20) Models: 2015-2020

Models: 2015-2020

Hub bore:57

however these later models use a rectangular joiner

OEM Part Number: Bolt = 7703602319

and no adverse effects of any kind

BC Racing BR - RH Series BMW F80 M3 14-18 (3-BOLT TOP MOUNT) (TRUE REAR COILOVER) BMW > 2 Series > F22/F23 2Dr Coupe/Convertible 2014 Onwards > 220i 2014-2016 (N20) Models: 2015-2020The 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.