51 31 021 Removing And Installing / Replacing Rubber Frame For Windscreen (Top)

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Necessary preliminary tasks:

Remove both TRIM STRIPS ON ROOF FRAME

IMPORTANT:

Rubber frame (1) features an aluminium section inlay (2).

If necessary, detach adhesive tape (8) between rubber frame (1) and roof outer skin.

Remove the 4 fitted spacer buffers (7).

Carefully wind out rubber frame (1) (windscreen breakage).

NOTE:

Tear-off lip (5) may be stuck to adhesive (4).

When rubber frame (1) is removed, tear-off lip (5) can tear off and remain in vehicle.

Fig 1: Removing Rubber Frame

Courtesy of BMW OF NORTH AMERICA, INC.

3 Windscreen

6 Bridge

Installation:

If necessary, remove adhesive residue from roof outer skin.

After installing rubber frame, fit 4 new spacer buffers (1)*:

Shape B** in mm, square 12.7 x 10 x 3.8h
150 mm and 450 mm on left/right from centre

* Sourcing reference: BMW Parts Service

** Repair kit for windscreens

Fig 2: Identifying Spacer Buffer

Courtesy of BMW OF NORTH AMERICA, INC.

Installation of rubber frame without removed windscreen:

There is no tear-off lip (3) in area (A) on left/right.

Detach tear-off lip (3) from rubber frame (1).

If adhesive leaks over tear-off lip (3), this area must be cut out partially.

To facilitate installation, coat rubber frame (1) and body cutout with water.

Install rubber frame (1).

If necessary, pull liner* off adhesive tape (5) and press rubber frame (1) down firmly on roof outer skin.

2 Aluminium strip

4 Butylene tape

* Liner is the protective film on adhesive tape (5).

Fig 3: Identifying Rubber Frame, Butylene Tape And Aluminium Strip

Courtesy of BMW OF NORTH AMERICA, INC.

Installation of rubber frame with removed or new windscreen:

There is no tear-off lip (3) in area (A) on left/right.

Fit rubber frame (1) with tear-off lip (3).

After installing windscreen: If necessary, pull liner* off adhesive tape (5) and press rubber frame (1) down firmly on roof outer skin.

2 Aluminium strip

4 Butylene tape

* Liner is the protective film on adhesive tape (5).

Fig 4: Identifying Rubber Frame, Butylene Tape And Aluminium Strip And Adhesive Tape

Courtesy of BMW OF NORTH AMERICA, INC.