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51 23... Adjusting/replacing bump stops

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

Version 1: 

Following parts must not be damaged:

Fig 1: Identifying Bump Stop
G04749744Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Adjusting Bump Stop Height
G04749745Courtesy of BMW OF NORTH AMERICA, INC.

Version 2: 

Replace damaged bump stops:

Fig 3: Identifying Bump Stop With Ejector
G04749746Courtesy of BMW OF NORTH AMERICA, INC.

Press ejector (1) into bump stop and, in this position, twist approx. 90° counterclockwise with a Phillips screwdriver.

This locks the ejectors (1) in the bump stops.

Adjust bump stop (2) to correct height by turning left or right.

Unlock the ejector (1) again after completing adjustment.

Fig 4: Identifying Bump Stop And Ejectors
G04749747Courtesy of BMW OF NORTH AMERICA, INC.

Version 3: 

Replace damaged bump stops:

Fig 5: Identifying Bump Stop
G10142410Courtesy of BMW OF NORTH AMERICA, INC.

Turn lock (1) 45° counterclockwise.

Pull bump stop (2) upwards.

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

Open lid and turn lock (1) clockwise.

Installation: 

Press bump stop into panel and drive in expanding pins (3).

Fig 6: Turning Lock Clockwise
G04749749Courtesy of BMW OF NORTH AMERICA, INC.


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

Prerequisite: Lid must be correctly adjusted.

Following parts must not be damaged:

Remove stop pad by pressing latch mechanisms back.

Fig 1: Identifying Bump Stop And Catches
G06885609Courtesy of BMW OF NORTH AMERICA, INC.

Screw in stop pad (1) to create distance to front compartment lid.

Place a cone (2) of modeling or sealing compound on the stop pad.

Slowly close bonnet.

Fig 2: Identifying Cone And Stop Pad
G06885610Courtesy of BMW OF NORTH AMERICA, INC.

Raise bonnet.

Compressed cone (1) determines distance between stop pad and front compartment lid.

Fig 3: Identifying Compressed Cone
G06885611Courtesy of BMW OF NORTH AMERICA, INC.

Measure dimension a between compressed cone and edge (1) of stop pad.

Fig 4: Measuring Dimension Between Compressed Cone And Edge Of Stop Pad
G06885612Courtesy of BMW OF NORTH AMERICA, INC.

Adjust measured dimension a + 0.5 mm by unscrewing stop pad (1).

Fig 5: Identifying Stop Pad Dimension
G06885613Courtesy of BMW OF NORTH AMERICA, INC.