51 16 340 Removing and installing/replacing lock for right glovebox

Open glovebox.

Release screws (1).

Remove lower section (3) and upper section (2) of lock.

Fig 1: Removing Lower Section And Upper Section Of Lock

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement 

Insert ignition key (1) in lock cylinder (3).

Turn ignition key (1) slightly, carefully raise catches (2) and pull out lock cylinder (3) with ignition key (1) in direction of arrow.

If necessary, force catches (2) open.

Fig 2: Identifying Ignition Key, Lock Cylinder And Catches

Courtesy of BMW OF NORTH AMERICA, INC.