BC Racing ER Series Coilovers for 2009-2020 Nissan 370Z RWD (Z34) Viper Every kit is extensively tested

Every kit is extensively tested on the 300 SRT8 LD chassis and refined until it balances ride quality with performance — the reason 300 SRT8 coilovers from BC Racing are the best-selling adjustable kits in their segment worldwide

BC Racing BR Series Coilovers for the 2007-2013 BMW M3 (E90/E92) are BC Racing's entry-level coilover and the most popular kit in their entire lineup — they offer the most accessible entry into adjustable coilover suspension without sacrificing performance

Part Number I-13-BR Part Name BR Series Coilovers Vehicle 2007-2013 BMW M3 RWD (E90/E92) Drivetrain RWD Chassis Code E90/E92 Damping Adjustment 1-Way (30 levels) Ride-Height Adjustable Yes Spring Rate - Front 6 kg/mm Spring Rate - Rear 12 kg/mm Spring Size - Front 62-160-6K Spring Size - Rear 62-230-12K Swift Springs - Front 62-152-X Swift Springs - Rear 62-228-X Camber Plates - Front Included Camber Plates - Rear Not Applicable Suspension Design - Front True Coilover Suspension Design - Rear Divorced Notes Only fits models with OEM EDC

Every kit is extensively tested on the 3 Series Coupe E46 chassis and refined until it balances ride quality with performance — the reason 3 Series Coupe coilovers from BC Racing are the best-selling adjustable kits in their segment worldwide

Every kit is extensively tested on the Lancer Evo 1/2/3 chassis and refined until it balances ride quality with performance — the reason Lancer Evo 1/2/3 coilovers from BC Racing are the best-selling adjustable kits in their segment worldwide

BC Racing ER Series Coilovers for 2009-2020 Nissan 370Z RWD (Z34) Viper Every kit is extensively testedBC Racing ER Series Coilovers for the 2009 2020 Nissan 370Z (Z34) 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 370Z Z34 chassis and refined until it balances ride quality with performance the reason 370Z coilovers from BC Racing are the best selling adjustable kits in their segment worldwide. ER Series kits run a linear