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

more responsive

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

This gives you the most linear pedal feel and the most throttle adjustability when you're pushing on

Increased Clutch line pressure at higher RPM's to prevent slippage

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