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Home >> BMW >> 2004 >> X3 30i, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 739 (Engine Electrical System - Repair) >> 31 alternator with drive and mounting >> 12 31 ... Replacing alternator belt pulley (with overrunning clutch)

12 31 ... Replacing alternator belt pulley (with overrunning clutch)

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Special tools required: 

See 12 ENGINE ELECTRICAL SYSTEM

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 31 ALTERNATOR WITH DRIVE AND MOUNT .

Fig 1: Release Nut With Special Tools 12 7 120
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