BC RACING COILOVERS DS SERIES - BMW 1 SERIES F20 M140I (14+) (3-BOLT TOP MOUNT) F21) Non GPF Model Only including XDrive TRS Home Flashing Device is

TRS Home Flashing Device is capable of holding 5 tuned files

Pillowball top mounts

Decat/downpipe

G05 X5 40i / G06 X6 40i

allowing precise control over chassis behaviour in every phase of a corner

BC RACING COILOVERS DS SERIES - BMW 1 SERIES F20 M140I (14+) (3-BOLT TOP MOUNT) F21) Non GPF Model Only including XDrive TRS Home Flashing Device isThe BC Racing DS Series is built around digressive valving, offering similar benefits to the BR Series but with a stronger focus on track performance. The digressive piston design delivers a non linear damping curve, allowing higher low speed damping to control body roll during cornering, braking, and acceleration, while reducing high speed damping to let the suspension travel freely over kerbs and rough sections without unsettling the chassis. Key