BC Racing ER Series Coilovers for 2003-2006 Infiniti G35 Sedan RWD (V35)BC Racing ER Series Coilovers for the 2003 2006 Infiniti G35 Sedan (V35) 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 G35 Sedan V35 chassis and refined until it balances ride quality with performance the reason G35 Sedan coilovers from BC Racing are the best selling adjustable kits in their segment worldwide. ER Series kits