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Home >> BMW >> 2013 >> 750Li >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Electrical System - Repair (N63) >> 1231 Alternator With Drive And Mounting >> 12 31... Replacing alternator belt pulley >> Notes
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12 31... Replacing alternator belt pulley: Notes

Remove and install alternator drive belt.

Depending on alternator type, grip shaft with:

Release nut with special tool 12 7 110.

Installation: 

Tightening torque 12 31 2AZ/3AZ .

Fig 1: Releasing Nut With Special Tool (12 7 110)
G06888978Courtesy of BMW OF NORTH AMERICA, INC.