51 33 000 Removing And Installing/Replacing Power Window Unit In Left Or Right Front Door (Convertible, Coupe)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 BMW M3, 2005 BMW M3, 2004 BMW M3, 2003 BMW M3, and 2002 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Necessary Preliminary Tasks:

Remove door window glass. Refer to 51 32 170 REMOVING AND INSTALLING/REPLACING FRONT LEFT OR RIGHT DOOR WINDOW (COUPE, CONVERTIBLE) .

Adjust window lift fully towards bottom.

IMPORTANT: Disconnect plug connection (1) from power window motor (2) (risk of trapping).

Installation:

Convertible from build date 09/2003:

Carry out normalization. Refer to 67 62 000 REMOVING AND INSTALLING / REPLACING FLAT MOTOR FOR FRONT LEFT OR RIGHT POWER WINDOW UNIT .

Fig 1: Disconnecting Plug Connection From Power Window Motor

Courtesy of BMW OF NORTH AMERICA, INC.

Unhook cables (3) from clips (1 and 2).

Release clip (2).

Unscrew nuts (4).

Set down rear power window unit (5) at bottom in door.

Installation:

Replace self-locking nuts.

Tightening torque, refer to 51 33 2AZ in BODY EQUIPMENT - TIGHTENING TORQUES - 3-SERIES .

Fig 2: Disconnecting Cables From Clips

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NOTE: The work for "Removing/replacing door lock (51 21 090)" ends here.

Release nuts (1).

Feed power window unit (2) with drive mechanism (3) completely out of door.

Installation:

Replace self-locking nuts.

Tightening torque, refer to 51 33 2AZ in BODY EQUIPMENT - TIGHTENING TORQUES - 3-SERIES .

Fig 3: Identifying Power Window Unit With Drive Mechanism

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Installation:

Check rear support for door window glass:

Rubber ring (1) must not be brittle, replace if necessary.

Cover (2) must not be folded back.

If cover (2) is folded back, adjusting cam (3) is outside guide.

Fig 4: View Of Rubber Ring

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Installation:

If necessary, open cover.

Lay adjusting cam (1) in guide (2) of support (3).

Fit cover.

Fig 5: Locating Adjusting Cam In Guide Of Support

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NOTE: For purposes of clarity, shown here on removed window lift.

Installation:

Adjusting window lift:

Insert window lift in front door.
Tighten down nuts (1) on rear power window unit rail (2).
Insert nuts (3 and 4) of front power window unit rail (5) but do not tighten down.
Adjust mounts (5) upwards into installation position and install door window glass (refer to REMOVING AND INSTALLING/REPLACING FRONT LEFT OR RIGHT DOOR WINDOW (COUPE, CONVERTIBLE) ).
Adjust door window glass fully towards bottom.
Tighten down nuts (3 and 4) of front power window unit rail (5).
Adjust door window glass (refer to ADJUSTING FRONT LEFT OR RIGHT DOOR WINDOW GLASS (COUPE, CONVERTIBLE) ).

Fig 6: Adjusting Front Power Window
Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Release screws (1).

Turn power window motor (2) a little and remove.

Installation:

Tightening torque, refer to 51 33 1AZ in BODY EQUIPMENT - TIGHTENING TORQUES - 3-SERIES .

Fig 7: Releasing Power Window Motor Retaining Screws

Courtesy of BMW OF NORTH AMERICA, INC.