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ER SERIES

The BC ER Series Coilover Suspension Kit features 30 levels of separate rebound and compression damping force adjustment, full-length height adjustment allowing extremely low ride height, and external reservoirs.

About the ER Coilover


*ER Series Coilovers now come digressively valved similar to the DS series as standard. If you would like linear valving, please get in touch to make a custom order.

Fine tune your vehicle with absolute adjustability using our ER Type system. It features large external reserviors front and rear, separate rebound and compression adjustment, and a twin-piston design. The external reservoirs hold much more oil than conventional coilovers allowing the unit to operate for much longer before overheating. Additionally, the external reservoirs house the secondary piston which allows for adjustment of compression. This is the perfect coilover for the person who wants to fine-tune their setup using the separate 30-way rebound and compression tuning dials.

  • 30 levels of separate rebound and compression adjustment
  • Dual Piston Design (1 in res., 1 in shock)
  • Custom spring rates available
  • 1 year manufacturer warranty

ER Design

BC Racing Coilover Kit ER fits Lexus IS250/IS300/IS350/IS-F GSE20/GSE21/GSE22/USE20 06 - 13
full kit

BC Racing Coilover Kit ER fits Lexus IS250/IS300/IS350/IS-F GSE20/GSE21/GSE22/USE20 06 - 13

$2,549.00

BC Racing Coilover Kit ER fits Subaru WRX / STi VAB/VAF/VAG 14 - 20
full kit

BC Racing Coilover Kit ER fits Subaru WRX / STi VAB/VAF/VAG 14 - 20

$2,649.00

BC Racing Coilover Kit ER fits Mercedes Benz C-CLASS W204 08 - 14
full kit

BC Racing Coilover Kit ER fits Mercedes Benz C-CLASS W204 08 - 14

$2,549.00

BC Racing Coilover Kit ER fits Nissan SKYLINE HCR32 89 - 94
full kit

BC Racing Coilover Kit ER fits Nissan SKYLINE HCR32 89 - 94

$2,549.00

BC Racing Coilover Kit ER fits Mitsubishi LANCER & RALLIART CF/CJ/CX/CY 07 - 17
full kit

BC Racing Coilover Kit ER fits Mitsubishi LANCER & RALLIART CF/CJ/CX/CY 07 - 17

$2,549.00

BC Racing Coilover Kit ER fits Mazda 3 & MPS BK3P 04 - 08
full kit

BC Racing Coilover Kit ER fits Mazda 3 & MPS BK3P 04 - 08

$2,549.00

BC Racing Coilover Kit ER fits Subaru IMPREZA / WRX GC6/GC8 93 - 00
full kit

BC Racing Coilover Kit ER fits Subaru IMPREZA / WRX GC6/GC8 93 - 00

$2,649.00

BC Racing Coilover Kit ER fits Mercedes Benz C-CLASS C63 AMG  W204 08 - 15
full kit

BC Racing Coilover Kit ER fits Mercedes Benz C-CLASS C63 AMG W204 08 - 15

$2,549.00

BC Racing Coilover Kit ER fits Subaru IMPREZA / WRX G3/GE/GH/GR/GV 08 - 14
full kit

BC Racing Coilover Kit ER fits Subaru IMPREZA / WRX G3/GE/GH/GR/GV 08 - 14

$2,649.00

BC Racing Coilover Kit ER fits Nissan FAIRLADY Z / 350Z  Z33 03 - 09
full kit

BC Racing Coilover Kit ER fits Nissan FAIRLADY Z / 350Z Z33 03 - 09

$2,699.00

BC Racing Coilover Kit ER fits Nissan Skyline R34 GT & GT-T 4WS (Rear Fork Type) 98 - 01
full kit

BC Racing Coilover Kit ER fits Nissan Skyline R34 GT & GT-T 4WS (Rear Fork Type) 98 - 01

$2,549.00

BC Racing Coilover Kit ER fits SUBARU IMPREZA & WRX 2000-2007 & STI 2000-2004 GDA/GGA (5x100 Only)
full kit

BC Racing Coilover Kit ER fits SUBARU IMPREZA & WRX 2000-2007 & STI 2000-2004 GDA/GGA (5x100 Only)

$2,649.00

BC Racing Coilover Kit ER fits Nissan FAIRLADY Z / 370Z  Z34 08 - 20 (Seperate Shock and Spring Rear)
full kit

BC Racing Coilover Kit ER fits Nissan FAIRLADY Z / 370Z Z34 08 - 20 (Seperate Shock and Spring Rear)

$2,699.00

BC Racing Coilover Kit ER fits Mitsubishi LANCER / MIRAGE CE/CJ 96 - 03
full kit

BC Racing Coilover Kit ER fits Mitsubishi LANCER / MIRAGE CE/CJ 96 - 03

$2,649.00

BC Racing Coilover Kit ER fits Nissan SILVIA & 200SX S14 95 - 98
full kit

BC Racing Coilover Kit ER fits Nissan SILVIA & 200SX S14 95 - 98

$2,649.00

BC Racing Coilover Kit ER fits Mitsubishi EVOLUTION IV/V/VI CN9A/CP9A 96 - 01
full kit

BC Racing Coilover Kit ER fits Mitsubishi EVOLUTION IV/V/VI CN9A/CP9A 96 - 01

$2,649.00

BC Racing Coilover Kit ER fits Nissan GTR  R35 07 - current
full kit

BC Racing Coilover Kit ER fits Nissan GTR R35 07 - current

$2,799.00

BC Racing Coilover Kit ER fits Nissan SILVIA & 200SX S15 98 - 02
full kit

BC Racing Coilover Kit ER fits Nissan SILVIA & 200SX S15 98 - 02

$2,649.00

BC Racing Coilover Kit ER fits Nissan SKYLINE BNR32/HNR32 89 - 94
full kit

BC Racing Coilover Kit ER fits Nissan SKYLINE BNR32/HNR32 89 - 94

$2,549.00

BC Racing Coilover Kit ER fits Nissan SKYLINE GTR (4WD) BCNR33/BNR34 95 - 01
full kit

BC Racing Coilover Kit ER fits Nissan SKYLINE GTR (4WD) BCNR33/BNR34 95 - 01

$2,299.00

BC Racing Coilover Kit ER fits Nissan CEFIRO A31 88 - 94
full kit

BC Racing Coilover Kit ER fits Nissan CEFIRO A31 88 - 94

$2,649.00

BC Racing Coilover Kit ER fits Mitsubishi EVOLUTION I/II/III CD9A/CE9A 94 - 95
full kit

BC Racing Coilover Kit ER fits Mitsubishi EVOLUTION I/II/III CD9A/CE9A 94 - 95

$2,649.00

BC Racing Coilover Kit ER fits Mitsubishi EVOLUTION X CZ4A 07 - 16
full kit

BC Racing Coilover Kit ER fits Mitsubishi EVOLUTION X CZ4A 07 - 16

$2,649.00

BC Racing Coilover Kit ER fits Mitsubishi Galant / Legnum VR-4 EC5A/EC5W 96 - 02
full kit

BC Racing Coilover Kit ER fits Mitsubishi Galant / Legnum VR-4 EC5A/EC5W 96 - 02

$2,549.00

BC Racing Coilover Kit ER fits Mitsubishi EVOLUTION VII/VIII/IX CT9A/CT9W 01 - 06
full kit

BC Racing Coilover Kit ER fits Mitsubishi EVOLUTION VII/VIII/IX CT9A/CT9W 01 - 06

$2,649.00

BC Racing Coilover Kit ER fits Ford MUSTANG S550 15 - current (non MagneRide)
full kit

BC Racing Coilover Kit ER fits Ford MUSTANG S550 15 - current (non MagneRide)

$2,899.00

BC Racing Coilover Kit ER fits BMW 1 SERIES (5-BOLT) F20 11 - 19
full kit

BC Racing Coilover Kit ER fits BMW 1 SERIES (5-BOLT) F20 11 - 19

$2,549.00

BC Racing Coilover Kit ER fits Ford FOCUS & XR5 (T)  04 - 11
full kit

BC Racing Coilover Kit ER fits Ford FOCUS & XR5 (T) 04 - 11

$2,549.00

BC Racing Coilover Kit ER fits BMW M3/M4 (5-BOLT) F80/F82 14 - 18
full kit

BC Racing Coilover Kit ER fits BMW M3/M4 (5-BOLT) F80/F82 14 - 18

$2,549.00

BC Racing Coilover Kit ER fits BMW 3 SERIES G20 19 - current
full kit

BC Racing Coilover Kit ER fits BMW 3 SERIES G20 19 - current

$2,549.00

BC Racing Coilover Kit ER fits Holden COMMODORE (SEDAN) VT-VZ 97 - 06
full kit

BC Racing Coilover Kit ER fits Holden COMMODORE (SEDAN) VT-VZ 97 - 06

$2,449.00

BC Racing Coilover Kit ER fits BMW 3 SERIES (5-BOLT) F30 12 - 19
full kit

BC Racing Coilover Kit ER fits BMW 3 SERIES (5-BOLT) F30 12 - 19

$2,549.00

BC Racing Coilover Kit ER fits Honda JAZZ  GK3/GK5/GP5 13 - 20
full kit

BC Racing Coilover Kit ER fits Honda JAZZ GK3/GK5/GP5 13 - 20

$2,299.00

BC Racing Coilover Kit ER fits BMW 3 SERIES (W/O EDC) E92 (M3) 08 - 11
full kit

BC Racing Coilover Kit ER fits BMW 3 SERIES (W/O EDC) E92 (M3) 08 - 11

$2,549.00

BC Racing Coilover Kit ER fits BMW 3 SERIES E36 92 - 98 (Seperate Shock and Spring Rear)
full kit

BC Racing Coilover Kit ER fits BMW 3 SERIES E36 92 - 98 (Seperate Shock and Spring Rear)

$2,649.00

BC Racing Coilover Kit ER fits Honda CIVIC (TYPE-R) FN2 06 - 10
full kit

BC Racing Coilover Kit ER fits Honda CIVIC (TYPE-R) FN2 06 - 10

$2,549.00

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