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Home >> BMW >> 2017 >> X3 sDrive28i >> Repair and Diagnosis >> External Pages >> Different car >> Section 372 (Engine - Repair) >> V-Ribbed Belt With TENSIONER/Deflection Element >> 11 28 020 Replacing tensioning device for alternator drive belt (N55)

11 28 020 Replacing tensioning device for alternator drive belt (N55)

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required: 

Necessary preliminary work: 

Remove special tool 11 0 390 .

Release screw (1) on belt tensioner.

Tightening torque: 11 28 1AZ .

Fig 1: Removing Belt Tensioner Screw
G09952510Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.