BC RACING COILOVERS ER SERIES - BMW 1 SERIES F20 M140I (14+) (3-BOLT TOP MOUNT) Type:ER The Airtec STG2 intercooler is

The Airtec STG2 intercooler is a direct replacement for the factory intercooler

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

Renowned for their quality

OEM-level drivability

BC RACING COILOVERS ER SERIES - BMW 1 SERIES F20 M140I (14+) (3-BOLT TOP MOUNT) Type:ER The Airtec STG2 intercooler isThe 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