
The Clutch Masters FX350 clutch kit for 2009–2013 BMW M3 (4.0L) is a sprung, single‑mass flywheel compatible kit using Fiber‑Tough friction and a Power Plus I heavy‑duty pressure plate. It increases holding capacity over FX300 with slightly firmer engagement and some chatter, suited for serious street use, weekend track duty, highly tuned normally aspirated engines or medium‑boost forced induction. Not compatible with dual‑mass flywheels.
Clutch Masters 09-13 BMW M3 4.0L FX350 Organic/Fiber Tough Dampened Clutch Kit