51 22 405 Removing and installing/replacing bottom door lock on left or right

Necessary preliminary tasks: 

• Remove INNER DOOR OPENER ON REAR DOOR 
• Remove INNER REAR DOOR COVER

Unlock plug connection (1) and disconnect.

Unfasten screws (2).

Tightening torque 51 22 2AZ .

Remove door lock (3) downwards.

Fig 1: Identifying Door Lock, Plug Connection And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement only: 

Detach cable (1) and remount.

Fig 2: Identifying Cable

Courtesy of BMW OF NORTH AMERICA, INC.