51 71 215 Replacing seal on left or right rear door

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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 three points on the rear door with positioning aids to be stuck on.
Positioning aids are included with new seals.

Position of seal (3) on rear door:

Fig 1: Identifying Position Of Seal On Rear Door

Courtesy of BMW OF NORTH AMERICA, INC.

Area (A) at distance (G) to door rabbet.

Area (B) at line (A) to positioning aids (2) to be stuck on. Positioning aid (2) must be stuck on flush with door panel (4).

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.

E = 4.0 mm
F = 4.0 mm
G = 1.5 mm

Positioning aid "C1" for rear door, left ("D1" right)

Fig 2: Identifying Positioning Aid C1 For Rear Door, Left (D1 Right)

Courtesy of BMW OF NORTH AMERICA, INC.

Detach prestamped positioning aid from backing.

Positioning aid "C1" rear door, left (above door brake)
Positioning aid "D1" rear door, right (above door brake)

Align positioning aid with printed help markings (X), bore and contact edge (B) to rear door and press.

Contact edge (B) must be flush with door inner panel.

Adhesive tape of seal must rest on positioning edge (A) during sticking.

X Start of bend radius

Positioning aid "C2" for rear door, left ("D2" right)

Fig 3: Identifying Positioning Aid C2 For Rear Door, Left (D2 Right)

Courtesy of BMW OF NORTH AMERICA, INC.

Detach prestamped positioning aid from backing.

Positioning aid "C2" rear door, left (door brake, top)
Positioning aid "D2" rear door, right (door brake, top)

Contact edge (B) must be flush with door inner panel.

Align positioning aid with printed help marking (X) and contact edge (B) to rear door and press.

Adhesive tape of seal must rest on positioning edge (A) during sticking.

X = Start of bend radius

Positioning aid "C3" for rear door, left ("D3" right)

Fig 4: Identifying Positioning Aid C3 For Rear Door, Left (D3 Right)

Courtesy of BMW OF NORTH AMERICA, INC.

Detach prestamped positioning aid from backing.

Positioning aid "C3" rear door, left (door brake, bottom)
Positioning aid "D3" rear door, right (door brake, bottom)

Align positioning aid with printed help markings (X), bore and contact edge (B) to rear door and press.

Contact edge (B) must be flush with door inner panel.

Adhesive tape of seal must rest on positioning edge (A) during sticking.

X Start of bend radius

IMPORTANT:

Do not grip bonding surface.
It is not the length of pressing in time but rather the level of pressing (approx. 10... 15 N/cm² ) which is decisive here.
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.

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:

Fig 5: Identifying Door Lip Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Position seal with color or symbol coding on door window frame at top on B-pillar and C-pillar in accordance with overview below. 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.

Overview of markings
Left door		Right door
Supplier A
B-pillar	C-pillar	B-pillar	C-pillar
Circle symbol	Triangle symbol	Triangle symbol	Circle symbol
Supplier B
B-pillar	C-pillar	B-pillar	C-pillar
White	Blue	Blue	White