51 32... Adjusting vertical dimension of front left or right side window

Special tools required: 

• 51 0 342
• 51 0 400

Prerequisite: 

• Vehicle must be standing on its wheels on a level floor
• FRONT DOOR correctly adjusted to fit

Necessary preliminary tasks: 

• Remove OUTER WINDOW CAVITY WEATHER STRIP 
• Remove FRONT DOOR TRIM PANEL 

Vertical dimension 

Raise the door window.

Close front door.

Measure dimension (A) with special tool 51 0 342 between flange (1) and door window glass (2).

A 10.7 mm ± 0.8 mm

Inside of flange edge (1) to door window glass (2) in area of B-pillar.

Fig 1: Inserting Flange And Door Window Glass Dimension

Courtesy of BMW OF NORTH AMERICA, INC.

Adjusting vertical dimension 

• Connect special tool 51 0 400 to adjustment pin (1) and release nut (2).

  Tightening torque 51 33 6AZ .

• Turn screw (1) to adjust dimension and lock with nut (2). Check dimension.

  If necessary, repeat operations.

  Fig 2: Identifying Pin And Lock Nut

  Courtesy of BMW OF NORTH AMERICA, INC.