51 23... Adjusting/replacing engine hood bump stop

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

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Adjusting Bump Stop To Correct Height

Courtesy of BMW OF NORTH AMERICA, INC.

Version 2: 

Replace damaged bump stops (refer to BMW Electronic Parts Catalogue):

• (1) Bump stop with ejector
  Fig 3: Identifying Bump Stop With Ejector

  Courtesy 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: Unlocking Ejector After Adjustment

Courtesy of BMW OF NORTH AMERICA, INC.

Version 3: 

Replace damaged bump stops (refer to BMW Electronic Parts Catalogue):

• (1) Bump stop
  Fig 5: Identifying Version 3 Bump Stop

  Courtesy 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 & Driving In Expanding Pins

Courtesy of BMW OF NORTH AMERICA, INC.