12 31... Replacing alternator belt pulley

WARNING: This page is about a different car, the 2003 BMW X5, 2002 BMW X5, and 2001 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

For Special Tool identification, see SPECIAL TOOLS - X5 (3.0i) .

Special Tools Required:

12 7 110

Remove and install alternator drive belt.

Depending on alternator type, grip shaft with:

Hexagon socket.
Multi-tooth socket or,
Torx socket wrench.

Release nut with special tool 12 7 110.

Fig 1: Releasing Nut Using Socket Wrench Socket WAF 24

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Tightening torque, refer to 12 31 2AZ / 12 31 3AZ in ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES .