
Clutch Masters FX400 clutch kit for 2009–2013 BMW M3 4.0L is an extreme‑duty sprung ceramic system that increases holding capacity by about 170%. Offered in aggressive 6‑puck or less aggressive 8‑puck versions, its sprung hub provides moderate dampening to improve street manners while retaining strong heat dissipation and long life. This kit requires a single‑mass flywheel and is not compatible with dual‑mass units.
Clutch Masters 09-13 BMW M3 4.0 6 Sp FX400 Clutch Kit 6-Puck Sprung Disc (Must Use Single Mass FW)