
The SPEC Stage 1 clutch kit is a direct‑replacement single‑disc assembly for 2004–2006 BMW 545i 4.4L models, intended as a mild upgrade or refreshed factory‑equivalent unit. Provided for straightforward installation during clutch service, the Stage 1 option focuses on improving longevity and engagement consistency compared with a worn stock clutch while preserving everyday drivability.
Spec 04-06 BMW 545 4.4L Stage 1 Clutch Kit