51 32 154 Adjusting left or right front side window

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Special tools required:

51 0 341 (adapter)
51 0 342 (measuring tape)
2 351 398 (side window adjuster)
2 304 553
51 3 240 (window glass wrench)

Configuring the correct setting will fulfil the following properties:

Seal against water ingress
No wind noise
No rattling
No unintentional reversing of side window during closing action (anti-trap safety function)

Prerequisites for correct adjustment:

Vehicle is supported on wheels at ground level
Front door correctly ADJUSTED to fit
Charge BATTERY

(Full operability of the power windows during the adjustment procedure is only assured with an external power supply)

Attention!

When closing, the door window glass must not jam on the trim strip in any area of the window (window glass breakage).

When performing measurement and adjustment work, do not slam the door (window pane may shatter).

Observe the checking and adjustment sequence!

Door window glass preload
Door window glass retraction depth/longitudinal direction

1 Preload

1.1 Preparations

Open door; move door window pane into uppermost position, if necessary.

Insert special tool 51 0 341 (adapter) in rotary striker of door lock and manually lock rotary striker (short lift activation).

Close the door carefully up to the point where the special tool 51 0 341 (adapter) magnetically adheres to the striker (defined door opening angle for measurement).

Fig 1: Inserting Special Tool (51 0 341) In Rotary Striker Of Door Lock

Courtesy of BMW OF NORTH AMERICA, INC.

1.2 Preload ideal setting

NOTE: No force must be exerted on the door or door window pane during measurement.

Bring special tool 51 0 342 (measuring tape) into contact with window guide gasket (1) and door window (2).

Determine dimension for preload between window guide gasket (1) and outer edge of door window (2).

Fig 2: Bringing Special Tool (51 0 342) Into Contact With Window Guide Gasket And Door Window

Courtesy of BMW OF NORTH AMERICA, INC.

Dimension = 30 ±1 mm

1.3 Adjust preload

Open door and remove sealing cap on door window frame.

Thread in special tool 2 351 398 (side window adjuster) into door and position on nut (1) and guide (2).

Slacken nut (1) with knob (3).

Turn lever (4) to adjust preload and tighten nut (1).

Tightening torque 51 33 1AZ .

Check adjustment, repeat procedure if necessary.

Remove special tool 51 0 341 (adapter) from rotary striker of door lock.

Fig 3: Threading Special Tool (2 351 398) Into Door

Courtesy of BMW OF NORTH AMERICA, INC.

2 Retraction depth/longitudinal direction

2.1 Retraction depth/longitudinal direction ideal setting

Open door.

Connect special tool 2 304 553 to measuring points (A to C) on side window.

Close door.

Measure longitudinal direction (A) and retraction depth (B and C) (refer to next work operation).

Fig 4: Measuring Longitudinal Direction And Retraction Depth

Courtesy of BMW OF NORTH AMERICA, INC.

Area	Dimension	Position of special tool 2 304 553
A	4.7 ±1 mm	Center of A-pillar
B	4.7 ±1 mm	Approx. 50 mm from A-pillar
C	4.7 ±1 mm	Approx. 100 mm in front of outer edge of door window glass

IMPORTANT: Door must open and close without the door window glass touching the roof trim strip (risk of damage).

NOTE: Special tool 2 304 553 rest against edge of side window without play for each measurement.

To correctly determine the dimension, transfer edge of profile seal (1) with special tool 51 0 342 (measuring tape) to scale perpendicular to special tool 2 304 553 .

Fig 5: Checking Transfer Edge Of Profile Seal Dimension

Courtesy of BMW OF NORTH AMERICA, INC.

2.2 Longitudinal direction ideal setting

Measure distance (x) in area (D and E) from door window glass (1) to side window (2) with special tool 51 0 342 (measuring tape).

Fig 6: Measuring Distance From Door Window Glass To Side Window With Special Tool (51 0 342)

Courtesy of BMW OF NORTH AMERICA, INC.

Area	Dimension	Position of special tool 51 0 342
D	10 ± 2.5 mm	Approx. 30 mm from trim strip at top
E	10 ± 2.5 mm	Approx. 30 mm from trim strip at bottom
Parallelism deviation maximum 1.5 mm

2.3. Adjust retraction depth/longitudinal direction

Remove WEATHER STRIP on outside of front door.

NOTE: Avoid damaging door window glass and window cavity through tool use.

When configuring setting, ensure that all special tools 2 304 553 continue to touch

Fig 7: Slackening Multipoint Head Cap Screws With Special Tool (51 3 240)

Courtesy of BMW OF NORTH AMERICA, INC.

edge of door window pane without any gaps.

Attach siphon to center of side window.

Slacken multipoint head cap screws (1) 51 3 240 (window glass wrench) with special tool until door window glass can just be moved with little effort with suction lifter.

NOTE: Always slacken both multipoint head cap screws to avoid tension in the power window system.

Adjust longitudinal direction and retraction depth of door window glass.

Tighten multipoint screws (1) using special tool 51 3 240 (window glass wrench).

Tightening torque 51 33 2AZ .

IMPORTANT: Do not release or tighten multipoint head cap screws over inside of door (disassembled door trim panel; threaded bolt may snap).

Check adjustment, repeat procedure if necessary.

Fig 8: Tightening Multipoint Screws Using Special Tool (51 3 240)

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Checking run-in of door window glass:

Door window glass must strike the inside of the gasket.