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Home >> BMW >> 2012 >> 320i Automatic Trans >> Repair and Diagnosis >> Electrical >> Gauges >> Body Equipment - Repair - F30 >> Front And Rear Window >> 51 31 011 Replace windscreen

51 31 011 Replace windscreen

Special tools required: 

Attention! 

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

Removal is performed with ROLL OUT 2000  or SPIDER .

The following new parts/consumables are required (sourcing reference BMW Parts Department).

Material Quantity
Windscreen 1
Cover, windscreen 1
Gutter strip, left and right 1
Spacer buffer 5x5x20 mm 11
Small repair kit 1
Sika Activator 205 (for windscreen cover) 1
Expanding foam tape 1

Necessary preliminary tasks: 

Depending on version: 

Unplug plug connections (1 to 3).

Remove the RAIN/LIGHT/SOLAR AND CONDENSATION SENSOR and immediately install on a new windscreen.

Remove CAMERA .

NOTE: Cables torn from the windscreen must not be soldered back in place. The windscreen must be replaced.
Fig 1: Identifying Windscreen Plug Connection
G10097280Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Tape off body in area of piercing point with fabric adhesive tape.

Slide wire/string along line (1) through adhesive bead (2).

Cut out  . See 51 31... REMOVE WINDSCREEN WITH "ROLL OUT 2000"  or 51 31... REMOVING WINDOWS WITH A "SPIDER"  windscreen.

Fig 2: Identifying Windscreen Wire/String Line
G08511691Courtesy of BMW OF NORTH AMERICA, INC.

Fitting spacer buffers (spacers): 

Fig 3: Identifying Windscreen Spacer Buffers
G10097282Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Spacer buffers are installed to avoid windscreen breakage and wind noises.

Completely remove old spacer buffers (1).

Position new spacer buffers (1) on center of the embossed marks (2) and bond.

Observe NOTES  on component-bonding with adhesive tape!

Stick expanding foam tape onto the marked area (1) on the windscreen.

Fig 4: Identifying Windscreen Foam Tape Marked Area
G10097283Courtesy of BMW OF NORTH AMERICA, INC.

Install the COVER/RUBBER FRAME  (1) for the windscreen.

Pre-treat adhesive area with Sika-Activator 205.

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

Overview of windscreen bonding: 

Fig 6: Overview Of Windscreen Bonding
G10097285Courtesy of BMW OF NORTH AMERICA, INC.
Cut A - A B - B C - C
a  [mm] = Position adhesive bead 6 ±2 3 ±1 19 ±2
b  [mm] = Width adhesive bead 7 ±1 7 ±1 7 ±1
h  [mm] = Height adhesive bead 12-2 12-2 12-2
NOTE: A tolerance band is printed on the ceramic (two dashed lines) that marks the position of the adhesive bead. Place the adhesive bead in the outer area of the tolerance band.
x = approx. 300 mm (bead joint distance (1) to windscreen outer edge)

PREPARE  the body and windscreen.

Perform the following steps carefully on the windscreen (1) using suction cup (51 3 010):

Preload on top of windscreen to prevent wind noise: 

Windscreen (1) must be lower than roof outer skin (2). This is the only way to prevent wind noises.

Position special tool 51 0 010 in middle of vehicle depending on dimension (A) and check under protrusion of windscreen (1).

Windscreen under protrusion (A):

Without HUD 3.4 ± 1 mm
With HUD 3.0 ± 1 mm
Fig 8: Positioning Special Tool (51 0 010)
G06885706Courtesy of BMW OF NORTH AMERICA, INC.

X = Measurement stages 1... 4 mm

Only with camera-based driver support systems: 

Carry out camera calibration via diagnosis system.

Under Service Functions menu: