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

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:

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: Removing A/C Drive Belt (Model With Hydraulic Drive Belt And Tension Jack)

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.

Fig 2: Removing A/C Drive Belt (Model With Mechanical Drive Belt And Tension Jack)

Courtesy of BMW OF NORTH AMERICA, INC.

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.