12 31... Replacing Alternator Belt Pulley (With Overrunning Clutch)

Remove and install alternator drive belt.

Grip alternator shaft with:

• internal serration

Release nut with special tools 12 7 121 and 12 7 122.

Fig 1: Releasing Nut Using Special Tool (12 7 120)

Courtesy of BMW OF NORTH AMERICA, INC.