51 37 154 Adjusting rear left or right side window

Special tools required:

Prerequisite:

Vehicle must be standing on its wheels on a level floor.
DOOR WINDOW GLASS correctly adjusted.

Necessary preliminary tasks:

Remove REAR WINDOW CAVITY SEAL .
Open retractable hardtop.
Move side window upwards (close).

Ideal setting, transverse direction:

Side window glass (1) must be situated at distance (A) to body (2).

Dimension A = 7±1 mm

Measuring points in B-pillar area and release for rear screw connection of side window glass (1).

Adjusting transverse direction:

Remove SIDE TRIM PANEL UPPER PART .

Slacken screws (3) and adjust distance (A).

Tightening torque 51 37 4AZ .

Fig 1: Identifying Side Window Glass To Body Dimension

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Ideal adjustment, longitudinal direction:

Side window glass (1) must be positioned at distance (A) to door window glass (2).

Dimension (A) = 12 ± 1 mm

Parallelism deviation ± 1 mm.

Side window glass (1) may have a max. underprotrusion (B) to door window glass (2).

Measurement (B) = 2 mm

Fig 2: Identifying Door Window Glass

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Adjusting longitudinal direction:

Slacken screws with special tool 1 51 3 310 .

Adjust longitudinal direction by moving side window glass (2).

Tightening torque 51 37 2AZ .

Fig 3: Adjusting Side Window Glass

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Checking retraction depth:

Close retractable hardtop.
Open side window.
Attach special tool 51 3 080 to side window glass.
Close side window completely.
Measure retraction depth.

NOTE: 2 51 3 080 items of special tool are required for adjustment of retraction depths.

Fig 4: Attaching Special Tool (51 3 080) To Door Window Glass

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Measure retraction depth (A) in areas (1 to 2).

Measurement (A):

(1)= 8 ± 2 mm

(2)= 8 ± 2 mm

If necessary, check or readjust settings on:

DOOR WINDOW GLASS
Side window

check or readjust.

Fig 5: Measuring Door Window Glass Retraction Depth

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Ideal setting, preload:

NOTE: Pre-tension can be checked with or without weather strip. Pretension is 1.0 mm greater with weather strip. Magnet in special tool 51 0 341 creates the correct door window glass pre-tension on the seal system for measurement. No force must be exerted on the door or door window glass during measurement.

Insert special tool 51 0 341 in rotary striker of door lock and close rotary striker manually. Carefully close door.

Fig 6: Identifying Special Tool (51 0 341)

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Measure distance (A) between side window glass (1) and inner edge of door window glass (2).

NOTE: Measuring point 10 mm below upper edge of window glass.

With weather strip fitted (front and rear):

A = 20 +1 mm

Without weather strip fitted (rear):

A = 19 +1 mm

Fig 7: Measuring Distance Between Side Window Glass And Door Window Glass Inner Edge

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Adjust preload:

Remove REAR WEATHER STRIP .

Turn adjusting screw (1) 51 2 220 with special tool until correct pretension is reached.

NOTE: With hardtop closed, side window glass (2) must run correctly into hardtop seals (check only when weather strip fitted).

Fig 8: Turning Screw Using Special Tool

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Checking adjustment:

Open door window and side window.

Close both windows simultaneously and check run-in of side window glass to door window glass.

Close retractable hardtop.

Hardtop seals must not be damaged.

Check run-in of both window glasses in hardtop seals.