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

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Necessary preliminary tasks:

Remove FRONT DOOR WINDOW GLASS .

Loosen screws (1).

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

Tightening torque: see 2AZ in 51 33 POWER WINDOWS, FRONT .

Fig 1: Removing Retaining Clip

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

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

Fig 2: Fitting Retaining Clip

Courtesy of BMW OF NORTH AMERICA, INC.

Release cable tie (1).

Disconnect plug connection on drive (2).

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

Tightening torque: see 2AZ in 51 33 POWER WINDOWS, FRONT .

Fig 3: Disconnecting Plug Connection On Drive

Courtesy of BMW OF NORTH AMERICA, INC.

Removal of power window:

Feed out rear window lift rail
Feed out front window lift rail

Fig 4: Removing Front Window Lift Rail

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

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

Tightening torque: see 1AZ in 51 33 POWER WINDOWS, FRONT .

Fig 5: Removing Screws And Detach Flat Motor

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

To activate the anti-trapping mechanism, a normalization must be carried out after the power window unit has been installed.

Operating sequence for normalization:

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