FixVault

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 7 120. Installation: Tightening torque, see 12 31 3AZ in 11 31 CAMSHAFT .

Fig 1: Release Nut With Special Tools 12 7 120
G00497520Courtesy of BMW OF NORTH AMERICA, INC.