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

Necessary preliminary tasks: 

• Remove Outer Window Cavity Weather Strip  
• Remove Inner Window Cavity Weather Strip  
• Remove Sound Insulation  
• Remove Outside Door Handle  

Open door window glass (1) down to distance (A)

A = approx. 335 mm

Fig 1: Door Window Glass And Distance (A)

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Installation: 

Carry out function check on power window unit and anti-trapping protection.

If necessary, Initialize Power Window  .

Fig 2: Plug Connection And Power Window Motor

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Release screw (1) over opening on outside handle.

Installation: 

Insert door window glass (4) with clamping plate (2) in mounting (3).

For tightening torque refer to 51 32 1AZ.  in 51 32 FRONT DOOR WINDOWS

Fig 3: Mounting Screw, Door Window Glass, Clamping Plate And Mounting

Courtesy of BMW OF NORTH AMERICA, INC.

Slide locking clip (1) in direction of arrow.

Unclip door window glass (3) with plain bearing from power window unit.

Turn door window glass (3) and feed towards top rear out of guide rail (2).

Fig 4: Locking Clip, Door Window Glass, Guide Rail, And Removal Directions

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Installation: 

Sliding piece (1) with retaining clip must be correctly located in guide (2).

If necessary, replace defective sliding piece (1).

Clamping plate (3) must be correctly engaged with shim (4) on door window glass (5).

If necessary, replace defective backing (4).

Fig 5: Sliding Piece, Guide, Clamping Plate, Door Window Glass And Shim

Courtesy of BMW OF NORTH AMERICA, INC.

After installation: 

Adjust Door Window Glass.