11 28 050 Replacing A/C compressor drive belt (M52 / S52 / M52TU / M54 / M56)

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2006 BMW 330Ci, 2005 BMW 330xi, 2005 BMW 330i, 2005 BMW 330Ci, and 2004 BMW 330xi. 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.

Necessary preliminary tasks:

If necessary, remove splash guard. See 51 11 000 REMOVING AND INSTALLING COMPLETE FRONT BUMPER (FROM 10/01)

Model with hydraulic drive belt and tension jack:

Remove the dust cab. Push back belt tensioner at bolt connection of guide pulley and remove drive belt.

Fig 1: Identifying Dust Cab

Courtesy of BMW OF NORTH AMERICA, INC.

Model with mechanical drive belt and tension jack:

Press back drive belt tensioner at hexagon head or Torx socket and remove drive belt.

IMPORTANT: Drive belt must be replaced if fouled with hydraulic fluid.

Installation:

Check drive belt for coolant and oil residues, replace if necessary.

Install drive belt, make sure it is correctly positioned on belt pulleys.

Fig 2: Checking Drive Belt For Coolant & Oil Residues

Courtesy of BMW OF NORTH AMERICA, INC.