51 33 000 Removing and installing (replacing) power window unit in left or right front door

Necessary preliminary tasks: 

• Remove FRONT DOOR WINDOW GLASS 

Slacken screws (1)

Slacken screw (2) and remove retaining clip (3).

Tightening torque 51 33 2AZ .

Fig 1: Identifying Retaining Clip And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Make sure guide (1) is correctly seated when fitting retaining clip (2).

Fig 2: Identifying Guide And Retaining Clip

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Release cable tie (1).

Disconnect plug connection (2).

Release screws on power window unit above bores (3).

Tightening torque 51 33 2AZ .

Fig 3: Identifying Plug Connection And Cable Tie

Courtesy of BMW OF NORTH AMERICA, INC.

Removal of power window:

1. Feed out rear window lift rail
2. Feed out front window lift rail

Fig 4: Identifying Feed Out Rear Window Lift Rail

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Replacement: 

Release screws (1) and detach flat motor (2).

Tightening torque 51 33 1AZ .

Fig 5: Identifying Flat Motor And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Operating sequence for normalization:

• Open corresponding window completely.
• Operate corresponding power window switch in "Close" position (second switch stage).
• Once the upper end position has been reached, hold power window switch in position for approx. 500 secs. longer.
• Carry out function check (one-touch function, anti-trapping protection and, if necessary, comfort function).