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11 28 050 Replacing A/C compressor drive belt (S54)

WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If the drive belt is to be subsequently reused:
Mark direction of travel and reinstall drive belt in same direction of travel.

Remove engine splash guard.

Push back belt tensioner at hexagon head and remove drive belt.

Fig 1: Removing Drive Belt
G03190722Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: If contaminated with hydraulic fluid: Replace drive belt.

Installation: 

Check drive belt for coolant and oil residue and replace if necessary.

Installation: 

Fit drive belt and check if it is correctly located on pulleys.

Fig 2: View Of Drive Belt Routing
G03190723Courtesy of BMW OF NORTH AMERICA, INC.