BC Racing ER-Series Coilovers for 2019-2020 BMW M2(I-98-ER) 4031 TruHart Sport Shocks are a

TruHart Sport Shocks are a short stroke shock engineered for use with TruHart Lowering Springs but are compatible with any spring that Lowers the vehicle at least 1 Inch (will not work with factory springs)

keeping clutch assembly cooler and extending component life

constructed with a single-piece highest grade carbon fiber sheet

(incl O-Ring) (6-02-0116)

The engineering team also developed precision CNC machined adapter flanges that mimic the OE-Style connections for a clean and simple install

BC Racing ER-Series Coilovers for 2019-2020 BMW M2(I-98-ER) 4031 TruHart Sport Shocks are aOur newest and most advanced model yet is the ER series coilover. It features large external reservoirs front and rear, separate rebound and compression adjustment and a twin piston design. The external reservoirs hold much more oil than the conventional coilovers, allowing the coilover to operate for a much longer period of time before overheating. The external reservoirs also house the secondary piston, which allows for the adjustment of