51 42 018 Replacing speaker frame on rear left or right door trim panel

51 42 000 REMOVING AND INSTALLING REAR LEFT OR RIGHT DOOR TRIM PANEL 

Release plastic welded joints (1) and remove speaker frame (2).

Fig 1: Removing Rear Door Speaker Frame

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Install new speaker frame (1).

Push locking washers (3) onto plastic pins (2).

Shorten all plastic pins (2) down to measurement (A).

Fig 2: Installing New Speaker Frame

Courtesy of BMW OF NORTH AMERICA, INC.