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

Necessary Preliminary Tasks: 

• Remove window cavity cover strip on outside of rear door. Refer to 51 22 300 REMOVING AND INSTALLING/REPLACING WINDOW CAVITY COVER STRIP ON REAR DOOR ON LEFT OR RIGHT .
• Open door window.

  Partially detach rubber seal (1) and rubber guide (2).

  Fig 1: Removing Rubber Seal And Rubber Guide

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Release screws (1).

Detach trim (2) towards front/top.

Fig 2: Locating Retaining Screws For Trim

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Installation: 

Trim (1) must not be damaged.

Fig 3: View Of Trim

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Installation: 

Following parts must not be damaged or missing:

Fig 4: Identifying Trim Components

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Installation: 

To prevent wind noises. Check gap with a 0.05 mm feeler gauge.

Slide feeler gauge between B-pillar trims on front and rear doors.

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.

Fig 5: Checking Trim Gap With Feeler Gauge

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Installation: 

If necessary, release screws (1).

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

If gap is still too big, adjust trim on window frame of front door. Refer to 51 32 420 REMOVING AND INSTALLING/REPLACING FINISHER ON FRONT DOOR WINDOW FRAME, LEFT OR RIGHT .

Fig 6: Locating Trim Retaining Screws

Courtesy of BMW OF NORTH AMERICA, INC.