51 23... Adjusting/replacing bump stops

2011 BMW Alpina B7xSECTION 51 23... Adjusting/replacing bump stops

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

Version 1:Β 

Following parts must not be damaged:

  • (1) Bump stop
    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
G04749745Courtesy of BMW OF NORTH AMERICA, INC.

Version 2:Β 

Replace damaged bump stops:

  • (1) Bump stop with ejector
    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. 90Β° 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 Ejector
G04749747Courtesy of BMW OF NORTH AMERICA, INC.

Version 3:Β 

Replace damaged bump stops:

  • (1) Bump stop
    Fig 5: Identifying Bump Stop
    G04749748Courtesy of BMW OF NORTH AMERICA, INC.

Turn lock (1) 45Β° 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:Β 

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

Fig 6: Turning Lock To Counterclockwise
G04749749Courtesy 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:

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