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

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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

G06854146

Courtesy of BMW OF NORTH AMERICA, INC.

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

G06854147

Courtesy of BMW OF NORTH AMERICA, INC.

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

G06854148

Courtesy of BMW OF NORTH AMERICA, INC.

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

G06854149

Courtesy of BMW OF NORTH AMERICA, INC.