LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2009 >> M3 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 73 (Engine Electrical System - Repair - E90) >> Alternator With Drive >> 12 31... Replacing alternator belt pulley

12 31... Replacing alternator belt pulley

WARNING: This page is about a different variant/trim than selected.

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 12 31 ALTERNATOR WITH DRIVE AND MOUNTING PARTS .

Fig 1: Releasing Nut With Special Tool (12 7 110)
G04740393Courtesy of BMW OF NORTH AMERICA, INC.