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

Necessary preliminary tasks:

Open plastic weld joints at marked points.

Unlock catches (1).

Remove speaker frame (2).

Fig 1: Identifying Catches And Speaker Frame

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Install new loudspeaker finisher (2).

Catches (1) must be correctly seated in corresponding guides.

Secure retainers (3) as pictured to all marked plastic guides.

Speaker trim (2) must be secured without play on door trim panel.

Fig 2: Identifying Catches, Speaker Trim And Retainers

Courtesy of BMW OF NORTH AMERICA, INC.