51 23... Adjusting/replacing bump stops: Notes

The graphics are schematic representations and are to be applied to the relevant vehicle type.

Prerequisite: Lid must be correctly adjusted.

Version 1: 

Following parts must not be damaged:

• (1) Bump stop

Fig 1: Identifying Bump Stop

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Adjust bump stop (1) to correct height by turning left or right.

Fig 2: Adjusting Bump Stop

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Type 2: 

Replace damaged bump stops:

• (1) Bump stop

Fig 3: Identifying Bump Stop

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Adjusting version 2:

Turn lock (1) 45° counter-clockwise.

Pull bump stop (2) upwards.

Close lid slowly until it is at the same height as the side wall.

Open lid and turn lock (1) clockwise.

Installation note: 

Press bump stop into sheet metal part and drive in expanding pins (3).

Fig 4: Turning Lock

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Version 3: 

Lever out expanding rivets (1).

Remove bump stop (2).

Fig 5: Identifying Bump Stop And Rivets

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Adjusting version 3:

Checking correct adjustment:

• Insert a strip of paper (normal writing paper) between bump stop and stop on body.
• Close lid. Make sure that the paper strip remains between bump stop and stop.
• The bump stop is correctly adjusted when the paper strip can be pulled out "with slight resistance".

Fig 6: Adjusting Bump Stop (Version 3)

Courtesy of BMW OF NORTH AMERICA, INC.