BC RACING COILOVERS ER SERIES - BMW 1 SERIES F20 M140I (14+) (3-BOLT TOP MOUNT) Type:ER 82mm - For use with

82mm - For use with 15mm spacers (15mm threaded hub length | 62mm threaded nut length)

OEM-level drivability

Vehicles with a different turbocharger can benefit from different power/torque/boost levels

There's no need to pay full price again to upgrade your STG2 software to STG3 software

BC RACING COILOVERS ER SERIES - BMW 1 SERIES F20 M140I (14+) (3-BOLT TOP MOUNT) Type:ER 82mm - For use withThe BC Racing ER Series is a high performance coilover system featuring external reservoirs and completely separate compression and rebound damping adjustment. It builds on the proven quality of the BR and DS Series but adds far greater tuning control, making the ER Series ideal for drivers who want more precise handling balance on fast road cars and track focused builds. Key Features Digressive piston and damping curve External reservoirs with 30