BC Racing BR RA Coilovers for BMW 4 Series F32 RWD 5-Bolt Top Mount bmw-1-series-f2x-m140i-esi9848312 The kit includes a silicone

The kit includes a silicone reducer to use with a standard air box

Ferodo Part Number: FCP4416H

Power Band: 2000-7000+

BMW 230i(F22/F23) 2

BC Racing BR RA Coilovers for BMW 4 Series F32 RWD 5-Bolt Top Mount bmw-1-series-f2x-m140i-esi9848312 The kit includes a siliconeSupplied in default spring rates, at the time of writing are: 5. 5 9KG Please note that these may be adjusted by BC based on customer feedback, if you require a specific spring rate, please contact us. LISTING IMAGE IS GENERIC 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