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51 32 420 Removing and installing/replacing finisher on front door window frame, left or right

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For removal and installation only, not for adjustment:

Remove cover (anti-trap protection) on door window frame. See 51 32 160 Removing and installing/replacing cover (anti-trapping protection) on door window frame, left or right, inside 

Open door window.

Partially detach rubber window seal (1) at rear.

Fig 1: Detaching Rubber Window Seal At Rear
G03124516Courtesy of BMW OF NORTH AMERICA, INC.

Loosen screws (1).

Remove finisher (2) and press approx. 3 mm towards rear.

Fig 2: Removing Finisher
G03124517Courtesy of BMW OF NORTH AMERICA, INC.

Remove trim (1) towards top.

Fig 3: Removing Trim
G03124518Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

If necessary, replace faulty plastic nuts (1).

Fig 4: Removing Faulty Plastic Nuts
G03124519Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Check finisher (1) for damage, replace if necessary.

Fig 5: Identifying Finisher
G03124520Courtesy of BMW OF NORTH AMERICA, INC.

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.

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 6: Sliding Feeler Gauge Between B-Pillar Finishers Of Front & Rear Doors
G03124521Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

If necessary, release screws (1).

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

If gap is still too big, adjust finisher on window frame of rear door.

Fig 7: Installing Finisher
G03124522Courtesy of BMW OF NORTH AMERICA, INC.