51 33... Slightly loosen power window regulator to remove door lock in left or right front door

WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: To remove door lock, move rear section of sound insulation (1) toward center.

Necessary preliminary tasks:

Partly remove SOUND INSULATION FROM FRONT DOOR .

Fig 1: Identifying Sound Insulation

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Raise side window glass to dimension (A).

Dimension (A) is the distance between the window cavity cover strip and upper edge of the side window glass.

For E90/E91:

Measurement (A) = 310 mm

E87:

Measurement (A) = 225 mm

Fig 2: Identifying Side Window Glass Dimension

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Fig 3: Inserting Side Window Glass Using Special Tool (51 3 190)

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Insert special tool 51 3 190 into designated opening (1) of side window glass (2)

Unlock side window glass (2) from rear part of power window regulator (3) in direction of arrow.

NOTE: Avoid damaging the paint finish. (Risk of corrosion)

Unscrew nuts (1).

Remove rear part of power window regulator (2) and place down on door floor.

Tightening torque: 51 33 1AZ

Fig 4: Identifying Power Window Regulator And Nuts

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