12 31... Replacing alternator belt pulley (with overrunning clutch)
WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
Special tools required:
- 12 7 120
Remove and install alternator drive belt.
Grip alternator shaft with:
- internal serration
Release nut with special tools 12 7 120 .
Installation:
Tightening torque 12 31 3AZ , see 12 31 ALTERNATOR WITH DRIVE AND MOUNTING PARTS .