12 31... Replacing alternator belt pulley (Version 2)
WARNING: This page is about a different car, the 2010 BMW X5, 2009 BMW X5, 2008 BMW X5, and 2007 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
Special tools required:
- 12 7 121. See 12 7 121 COUNTERHOLDER WRENCH .
- 12 7 122. See 12 7 122 SOCKET .
Illustrations show N42: If fitted, remove cover cap from belt pulley. Depending on alternator type, slacken screw with: Torx socket wrench. Slacken multi-tooth socket wrench (special tool 12 7 122). Grip freewheel with special tool 12 7 121. Installation: Tightening torque, see 12 31 8AZ in 12 31 ALTERNATOR WITH DRIVE AND MOUNTING PARTS . Remove alternator drive belt. Release screw and if necessary remove freewheel.