
The SPEC Stage 4 clutch kit fits 2003–2006 BMW 325 (2.5L) and 330 (3.0L) applications, offering a single-disc upgrade for higher torque capacity than stock. Tailored to those model years and engines, this kit is aimed at drivers requiring improved clutch hold for spirited driving or modest power upgrades while keeping installation straightforward with vehicle-specific fitment.
Spec 03-06 BMW 325 2.5L / 330 3.0L Stage 4 Clutch Kit