The SPEC Stage 3 clutch kit is a heavy-duty, single-plate replacement intended for select BMW manual transmissions. It provides increased clamping for demanding use and is specified for BMW Z4 and 325/330 six-speed models from 2003–2005, plus some 2004–2005 530 applications. The kit requires use with a billet single-mass flywheel and is engineered for robust engagement in higher-load drivetrains.
Spec 3/03-05 BMW Z4/325/330 6 spd / 04-05 530 Stage 3 Clutch Kit (Use w/ Billet SMF)