BC Racing ER Series Coilovers for 1992-1999 BMW 3 Series E36 True Rear Coilover RWD (On-Center)BC Racing ER Series Coilovers for the 1992 1999 BMW 3 Series E36 True Rear Coilover put race grade adjustability in reach of the serious track day driver, with independent compression and rebound tuning at every corner. Every kit is extensively tested on the 3 Series E36 True Rear Coilover chassis and refined until it balances ride quality with performance the reason 3 Series E36 True Rear Coilover coilovers from BC Racing are the best selling