51 34 420 Removing and installing/replacing trim on window frame of rear door (front), left or right

For removal and installation only, not for adjustment:

Remove window cavity cover strip on outside of rear door.

Open door window.

Partially pull off rubber seal (1) and rubber guide (2).

Fig 1: Removing Rubber Seal And Rubber Guide

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Loosen screws (1).

Detach trim (2) towards front/top.

Fig 2: Detaching Trim

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Installation: 

If necessary, replace faulty plastic nuts (1).

Fig 3: Installing Plastic Nuts

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Installation: 

Trim (1) must not be damaged.

Fig 4: Checking Trim

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Installation: 

To prevent wind noises.

Check gap with a 0.05 mm feeler gauge.

Slide feeler gauge between B-pillar finishers of front and rear doors.

Fig 5: Checking Gap Between B-Pillar Finishers Of Front And Rear Doors

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When the finishers are correctly adjusted, it must be possible to feel a slight suction resistance over the entire length of the finisher.

If the gap is too big, this may result in wind noises.

Installation: 

If necessary, release screws (1).

Press finisher (2) towards front and tighten down screws (1).

Fig 6: Installing Finisher

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If gap is still too big,

adjust finisher on window frame of front door.