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

The TRS Home Flashing Device is capable of holding the ORIGINAL file and 5 MODIFIED files

more responsive

Optimized launch Control based on GTS and CS Models

we will send a file back to you

Any other tuning services

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