51 32 170 Removing and installing/replacing door window glass, front left or right

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Special tools required:

51 3 240

WARNING: Danger of injury.
Carry out repair work on the power window regulator only when the power window motor is de-energized.

Necessary preliminary tasks:

Remove SOUND INSULATION IN FRONT DOOR
Remove OUTER WEATHER STRIP

Loosen hook screws (1) with special tool 51 3 240 on ring gear.

Fig 1: Identifying Hook Screws And Special Tool (51 3 240)

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NOTE: Slacken hook screw on ring gear (1) until it can be easily twisted out at the inner star (2).

Fig 2: Identifying Inner Star On Ring Gear Hook Screw

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'If necessary, open door window glass (1) until hook screws (2) are accessible.

IMPORTANT: Danger of injury.
Disconnect plug connection (3) at power window motor (pinch hazard).

Release hook screws (2) (turn in clockwise direction).

Fig 3: Identifying Door Window Glass, Screws, And Plug Connection

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NOTE: Door window glass (3) remove for purposes of clarity.

Raise holder (1) at tab (2) and remove door window glass (3) in upward direction.

Fig 4: Removing Door Window Glass

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Installation note:

Make sure door window glass (1) is correctly seated on holder (2) and window guide (3).

Adjust DOOR WINDOW GLASS .

Carry out function check on power window regulator and anti-trap mechanism.

If necessary, NORMALIZE power window regulator.

Fig 5: Identifying Door Window Glass, Holder And Guide

Courtesy of BMW OF NORTH AMERICA, INC.