12 31... Replacing alternator belt pulley (with overrunning clutch)
WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.
Special tools required:
- 12 7 120 . See ENGINE ELECTRICAL SYSTEM - SPECIAL TOOLS .
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 .