51 71 115 Replacing Seal on Left or Right Front Door

51 71 115 Replacing Seal On Left Or Right Front Door







Necessary preliminary tasks:
- Remove cover on inside door window frame
- Detach door brake on door pillar

NOTE:
The positioning of the seal must be performed at two points on the front door with positioning aids to be stuck on.
Positioning aids are included with new seals.







Position of seal (3) on front door:
Area (A) at distance (D) to door rabbet.
Area (B) at line (A) to positioning aids (2) to be stuck on.
Area (C) at distance (E) to door inner panel.
Area (D) at distance (F) to door fold.
Clean bonding surfaces on paint with adhesive cleaner (sourcing reference: BMW Parts Department).
D = 1,5 mm
E = 43,0 mm
F = 4,0 mm







Positioning aid "A1" for front door, left ("B1" right)
Detach prestamped positioning aid from backing.
- Positioning aid "A1" front door, left (door lock, top)
- Positioning aid "B1" front door, right (door lock, top)

Align positioning aid with printed help markings (X, Y), bores and contact edge (B) to front door and press.
Seal must rest on positioning edge (A) during sticking.
X Start of bend radius
Y Bore for door lock







Positioning aid "A2" for front door, left ("B2" right)
Detach prestamped positioning aid from backing.
- Positioning aid "A2" front door, left (door lock, bottom)
- Positioning aid "B2" front door, right (door lock, bottom)

Align positioning aid with printed help markings (X, Y), bores and contact edge (B) to front door and press.
Seal must rest on positioning edge (A) during sticking.
X Start of bend radius
Y Bore for door lock







IMPORTANT:
- Do not grip bonding surface.
- It is not the time of the pressure, but rather the level of pressure (approx. 10 ... 15 N/cm2) that is decisive.
- Separation of seal after pressing destroys the adhesive layer.

NOTE: After being pressed on gently, seal can be pulled off again up to 3 times. Do not dirty adhesive area.

Clean bonding surfaces on paint with adhesive cleaner (sourcing reference: BMW Parts Department).
Suspend seal (1) with open lip pointing inwards over door.







IMPORTANT: Contact point of seal must be situated on underside of door after gluing.

Glue seal as follows:
- Position seal with colour coding on door window frame at top rear (B-pillar). Contact point is located at the bottom.
- Pull protective film (liner) off seal in stages.
- Gently press seal without stretching up to start of positioning aids.
- Check positioning of seal, correct if necessary (sag max. 30 mm).
- Firmly press seal vertically onto bonding surface.
- Pull remaining protective film (liner) off seal.
- Press remaining seal without stretching.
- Check positioning of seal, correct if necessary and firmly press.

Remove positioning aids and assemble front door.