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

Black coated for added durability

Stage 1 TRS Custom Tune

Manufactured From Cold Forged Steel (10

The major advantage of the ER Series is the ability to adjust compression and rebound independently

Kit includes Instrcutions and mounting hardware included

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