51 37 154 Adjusting rear left or riant side window (2' Series convertible models)

Special tools required:

2 360 051
51 0 341
51 2 220

Configuring the correct setting will fulfil the following properties:

Seal against water ingress
No wind noise
No rattling
No unintentional reversing of the fixed side window glass during closing action (anti-trap mechanism)

Prerequisites for correct adjustment:

Vehicle is supported on wheels at ground level
DOOR WINDOW GLASS correctly adjusted
Recharge BATTERY

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

Observe the checking and adjustment sequence!

Side window preload
Side window retraction depth/longitudinal direction

Adjusting procedures are performed with hardtop open.

Necessary preliminary tasks:

Refer to REMOVING REAR WEATHER STRIP .
Open retractable hardtop.
Move fixed side window glass upwards (close).

Ideal setting, transverse direction:

Fixed side window glass (1) must be at the correct distance (A and B) from the connecting bracket (2).

Dimension A = 15 ± 1.0 mm.

Dimension B = 15 ± 1.0 mm.

Adjusting transverse direction:

Remove SIDE TRIM PANEL UPPER PART .

Loosen screws (3) and adjust distance (A and B).

Tighten down screws (3).

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Ideal setting, transverse direction:

Side window glass (3) must be distance (A and B) away from body (2).

Dimension A = 13 to 15 mm

Dimension B = 14 to 16 mm

Adjusting transverse direction:

Loosen screws (1) and adjust distance (A and B).

Tighten down screws (1).

Tightening torque 51 37 4AZ .

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Ideal adjustment, longitudinal direction:

Side window glass (2) must be positioned with dimensions (A) to door window glass (1).

Measurement (A) = 12.7 mm

Parallelism deviation ± 1 mm.

Door window glass (1) must be a short length (B) to the gasket (3).

Measurement (B) = 1.3 mm

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Fixed side window glass (2) must demonstrate a parallel gap to the door window glass (1).

Adjusting longitudinal direction:

Loosen multipoint head cap screw (1) with special tool 2 360 051 A.

Adjust X and Z direction by moving the fixed side window glass (2).

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Tighten multipoint head cap screw (1) with special tool 2 360 051 B.

Tightening torque 51 37 2AZ .

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Ideal setting, preload:

NOTE: Pre-tension can be checked with or without weatherstrip. Pretension is 1.0 mm greater with weatherstrip. 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.

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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 the window edge.

With weather strip fitted (front and rear):

A = 28 ± 1 mm

Without weather strip fitted (rear):

A = 27 ± 1 mm

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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 soft top closed, side window (2) must run correctly into soft top seals (check only when weatherstrip mounted).

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Checking adjustment:

Open door window and side window.

Refer to INSTALLING REAR WEATHER STRIP

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

Close soft top.

Soft top seals must not be damaged.

Check run-in of both window glasses in soft top seals.