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 Transverse Positioning For Side Window Glass

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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. under-protrusion (B) to door window glass (2).

Measurement (B) = 2 mm

Fig 2: Identifying Longitudinal Positioning For Side Window Glass

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Adjusting longitudinal direction

Slacken screws (1) with special tool 51 3 310 .

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

Tightening torque 51 37 2AZ .

Fig 3: Identifying Special Tool, Screws, And 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 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) with special tool 51 2 220 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: Adjusting Pre-Load

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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.