51 31 021 Removing and installing/replacing rubber frame for windscreen (top)

Necessary preliminary work:

Remove both GUTTER STRIPS ON WINDSCREEN .

IMPORTANT: Rubber frame (1) features an aluminum section inlay (2).
Loosen adhesive tape from the windscreen and at the top from the roof outer skin.
Carefully unwind rubber frame (1) (windscreen breakage).

NOTE: Spacer (8) is fixed on a rubber frame (1).

Fig 1: Removing Rubber Frame

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Bond adhesive tape in area (A) correctly.

3 Windscreen
6 Bridge
7 Pinched butyl

Replacement of rubber frame without windscreen removal:

There is no tear-off lip (3) and no butyl tape (4) in area (A).

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

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

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

Fig 2: Identifying Rubber Frame And Related Components

Courtesy of BMW OF NORTH AMERICA, INC.

Install rubber frame (1), paying attention to center marking in so doing.

If necessary, pull liner* off adhesive tape (6) and press rubber frame (1) down firmly on roof outer skin.

2 Aluminum strip
4 Butyl tape
6 Adhesive tape (for bonding on roof, top)
* Liner is the protective film on adhesive tape (6).

Replacement of rubber frame with removed or new windscreen:

There is no tear-off lip (3) and no butyl tape (4) in area (A).

Install rubber frame (1) with tear-off lip (3), paying attention to center marking in so doing.

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

2 Aluminum strip
4 Butyl tape
6 Adhesive tape (for bonding on roof, top)
* Liner is the protective film on adhesive tape (6).

Fig 3: Identifying Rubber Frame And Related Components
Courtesy of BMW OF NORTH AMERICA, INC.