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Home >> BMW >> 2007 >> 750Li >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Electrical System - Repair (N62) >> 31 Alternator With Drive And Mount >> 12 31 ... Replacing Alternator Belt Pulley
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12 31 ... Replacing Alternator Belt Pulley

Special tools required: 

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 / 12 31 3AZ. See ENGINE - TIGHTENING TORQUES .

Fig 1: Identifying Special Tool 12 7 110
G04740393Courtesy of BMW OF NORTH AMERICA, INC.