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

IMPORTANT: Rubber frame (1) features an aluminum section inlay (2).
Detach adhesive tape (9) between rubber frame (1) and roof outer skin or A-pillar.
Carefully unwind 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 Adhesive Tape Between Rubber Frame And Roof Outer Skin

Courtesy of BMW OF NORTH AMERICA, INC.

3 Windscreen
6 Bridge
7 Pinched butyl
8 Sealing lip fitted at side only
9 Adhesive tape

Replacement of rubber frame without windscreen removal:

Clean cutout.

Detach tear-off lip (5) from rubber frame (1).

If adhesive leaks over tear-off lip (5) at bridge (4), this area must be cut out partially.

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

Fit rubber frame (1), paying attention to center marking on rubber frame (1) and windscreen.

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

*Liner is the protective film on the adhesive tape.

Fig 2: Detaching Tear-Off Lip From Rubber Frame

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement of rubber frame with removed or new windscreen:

Pay attention to center marking on rubber frame (1) and windscreen.

Fit rubber frame (1) with tear-off lip (5).

2 Aluminum strip
3 Butyl

After installing windscreen, pull liner* off adhesive tape (6) and press rubber frame (1) down firmly on roof outer skin and A-pillar.

*Liner is the protective film on the adhesive tape.

Fig 3: Fitting Rubber Frame With Tear-Off Lip

Courtesy of BMW OF NORTH AMERICA, INC.