BC RACING COILOVERS ZX SERIES - BMW 1 SERIES F20 M140I (14+) (3-BOLT TOP MOUNT) Spring Rates:RECOMMENDED KIT 5.5/9 KG.MM Stage 1 TRS Custom Tune

Stage 1 TRS Custom Tune

Manufactured From Cold Forged Steel (10

which then needs to be uploaded to the device

Designed to directly replace the stock boost hoses

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

BC RACING COILOVERS ZX SERIES - BMW 1 SERIES F20 M140I (14+) (3-BOLT TOP MOUNT) Spring Rates:RECOMMENDED KIT 5.5/9 KG.MM Stage 1 TRS Custom TuneThe BC Racing ZX Series is built specifically for racing and intensive track use, offering a true 3 way adjustable damper system at a level normally seen only in high end motorsport suspension. Each ZX kit provides independent adjustment of low speed compression, high speed compression, and rebound, allowing the chassis to be tuned with exceptional precision for different circuits, surfaces, and driving styles. Unlike the inverted motorsport kits, the