51 22 400 Removing and installing/replacing top door lock on left or right

Necessary preliminary tasks: 

• Remove REAR DOOR OPENER 
• Remove REAR DOOR TRIM 

Unlock plug connection (1) and disconnect.

Detach cable (2) from bracket (3).

Fig 1: Identifying Cable, Bracket And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 51 22 1AZ .

Fully remove door lock (2) upwards.

Fig 2: Identifying Door Lock And Screws

Courtesy of BMW OF NORTH AMERICA, INC.