12 31... Replacing alternator belt pulley
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
Remove ALTERNATOR DRIVE BELT .
Procedure with special tool 12 7 121:
Illustrations show N42:
If fitted, remove cover cap from belt pulley.
Depending on the alternator version, hold down alternator axis with:
- Torx key
- Slacken multi-tooth socket wrench (special tool 12 7 122).
Release freewheel with special tool 12 7 121 and remove.
Installation note:
Tightening torque: 80 Nm.
Procedure with special tool 12 7 123:
Depending on the alternator version, hold down alternator axis with:
- Torx key
- Hold inner multi-wrench tool (special tool 12 7 122).
Release freewheel with special tool 12 7 123 and a ring spanner and remove.
Installation note:
Tightening torque: 80 Nm.