51 23... Adjusting/replacing bump stops

2011 BMW M3 2D Convertible, StandardSECTION 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:

  • (1) Bump stop
    Fig 1: Identifying Bump Stop
    G09893816Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Adjusting Bump Stop
G09893817Courtesy of BMW OF NORTH AMERICA, INC.

Version 2: 

Replace damaged bump stops:

  • (1) Bump stop with ejector
    Fig 3: Identifying Bump Stop With Ejector
    G09893818Courtesy 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 Ejector And Bump Stop
G09893819Courtesy of BMW OF NORTH AMERICA, INC.

Version 3: 

Replace damaged bump stops:

  • (1) Bump stop
    Fig 5: Identifying Bump Stop
    G09893820Courtesy 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: Pressing Bump Stop Into Panel
G09893821Courtesy of BMW OF NORTH AMERICA, INC.


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
    G09893822Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Adjusting Bump Stop
G09893823Courtesy of BMW OF NORTH AMERICA, INC.

Version 2: 

Replace damaged stop pads:

  • (1) Bump stop
    Fig 3: Identifying Bump Stop
    G09893824Courtesy of BMW OF NORTH AMERICA, INC.

Adjusting version 2:

Stop (1) 45° anticlockwise.

Pull stop pad (2) upwards.

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

Open flap and turn stop (1) clockwise.

Installation note: 

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

Fig 4: Turning Bump Stop
G09893825Courtesy of BMW OF NORTH AMERICA, INC.

Version 3: 

Lever out expanding rivets (1).

Remove stop pad (2).

Fig 5: Identifying Stop Pad And Rivets
G09893826Courtesy of BMW OF NORTH AMERICA, INC.

Adjusting version 3:

Checking correct adjustment:

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

Adjustment procedures: 

Screw in stop pad until the paper strip can be easily pulled out.

Then unscrew stop pad until the paper strip cannot be pulled out any more.

Fig 6: Adjusting Bump Stops
G09893827Courtesy of BMW OF NORTH AMERICA, INC.

Screw in stop pad until the paper strip can be pulled out with "slight" resistance.

Version 4: 

Lever out expanding rivets (1).

Remove stop pad (2).

Adjusting version 4:

Set stop pad to the correct height by turning to the left or right.

Fig 7: Adjusting Stop Pad
G09893828Courtesy of BMW OF NORTH AMERICA, INC.

Version 5: 

Release screws (1) and remove stop pad (2).

Adjusting version 5:

Set stop pad to the correct height by turning to the left or right.

Fig 8: Setting Stop Pad
G09893829Courtesy of BMW OF NORTH AMERICA, INC.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.