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51 31 000 Removing and installing/replacing windscreen

Special tools required: 

Attention! 

The following notes form the basis for these repair instructions and must be adhered to at all times:

NOTE: Removal is performed with ROLL OUT 2000  or SPIDER .

The following new PARTS/CONSUMABLE  are required (sourcing reference BMW Group Parts).

Material Quantity
Windscreen 1
Windscreen cover (for replacement of windscreen) 1
Spacer 3.8x4x12.7 mm 4
Stop pad, half-round (h = 5 mm), from repair kit 5
Small repair kit 1
Sika Activator 205 (for windscreen cover) 1
In the case of replacement up to version (build date) 04/2012 with appropriate version: 
Rain/light/solar sensor or
Rain/light/solar and condensation sensor
1

Necessary preliminary tasks: 

Attention! 

Tape off body in area of piercing point with fabric adhesive tape.

Push wire from ROLL OUT 2000  along line (1) through adhesive bead (2).

For details on how to proceed, refer to: WINDOW REMOVAL WITH "ROLL OUT 2000" .

Lift out windscreen with suction cup.

Fig 1: Identifying Windscreen Adhesive Bead And Spider Along Line
G08511691Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: When cutting is carried out at the bottom, the engine compartment lid must be in the service position.

Wires and hoses remain connected.

Move ENGINE COMPARTMENT LID INTO SERVICE POSITION .

Fig 2: Moving Engine Compartment Lid Into Service Position
G04749542Courtesy of BMW OF NORTH AMERICA, INC.

Cut through windscreen adhesive bead at bottom.

Lift out windscreen with suction cup.

Pull off adhesive tapes all round.

Fitting spacer buffers (spacers): 

Attention! 

To avoid windscreen breakage and wind noises:

Completely remove remnants of removed spacer buffers (1) and (2) and maintain installation location exactly.

Spacer (1) and semicircular spacer buffer (2) must be mounted centrally so that they cover the embossed marks on sheet metal flange.

Spacer 3.8x4x12.7 mm

Semicircular spacer buffer from repair kit

Fig 3: Identifying Spacer Buffers
G09948367Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

If necessary, replace defective EXPANDING FOAM TAPE  (1).

Attention! 

Just before the windscreen is installed, press down expanding foam tape (1) using special tool 51 0 300 or reattach expanding foam tape (1). An expanding foam tape (1) that has become relaxed could change the position of the adhesive bead and thereby lead to wind noise or windscreen leaks.

Fig 4: Identifying Expanding Foam Tape
G09948368Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, fit COVER/RUBBER FRAME  (1) for windscreen.

Pre-treat adhesive area with Sika-Aktivator205.

Fig 5: Identifying Adhesive Tape And Cover
G06885722Courtesy of BMW OF NORTH AMERICA, INC.

Overview of windscreen bonding: 

Fig 6: Overview Of Windscreen Bonding
G11172961Courtesy of BMW OF NORTH AMERICA, INC.

a1 = 23 mm 1 = Bead joint (approx. 300 mm from window edge)

a2 = 7 mm 2 = window glass corner (measuring point for a1 )

x = 60 mm

Cut A - A B - B C - C
[mm] = Position adhesive bead 1 +1 3 +1 3 +1
[mm] = Width adhesive bead 8 ±2 8 ±2 8 ±2
[mm] = Height adhesive bead 12 -2 12 -2 12 -2
NOTE: Adhesive area for plastic adhesive tapes (1) must be free from grease and dust.

Stick two yellow plastic adhesive tapes (1) to roof at distance (A) from outside corners.

Length: 400 mm

A = 250 mm

Fig 7: Bonding Yellow Plastic Adhesive Tapes
G05503856Courtesy of BMW OF NORTH AMERICA, INC.

Perform the following steps carefully on windscreen (1) using siphon:

Windscreen gap dimensions: 

To avoid wind noises, the windscreen (1) must be lower than the roof outer skin (2).

Measure the short length (A) on the left and right using special tool 51 0 010 .

Rubber frame (3) must be even and in parallel to roof outer skin (2).

  F25 F26
(A) with HUD 3 ± 1 mm 5 ± 1.5 mm
(A) without HUD 3.4 ± 1.5 mm 5.5 ± 1.5 mm
Fig 9: Checking Windscreen Gap Dimensions
G09948373Courtesy of BMW OF NORTH AMERICA, INC.

Only with camera-based driver support systems: 

Carry out camera calibration via diagnosis system.

Under Service Functions menu:

In the case of replacement with appropriate version: 

Version up to 04/2012: 

Install new RAIN/LIGHT/SOLAR AND CONDENSATION SENSOR .

Version after 04/2012: 

Remount RAIN/LIGHT/SOLAR AND CONDENSATION SENSOR .