51 43... Removing and installing/replacing speaker cover on left or right side trim panel

Necessary preliminary tasks:

Remove speaker in side trim panel . See 65 13 090 REMOVING AND INSTALLING/REPLACING SPEAKER (MIDRANGE SPEAKER IN REAR SIDE TRIM PANEL) or 65 13 080 REMOVING AND INSTALLING/REPLACING SPEAKER (TWEETER IN REAR SIDE TRIM PANEL) .

Removal:

IMPORTANT: Speaker is welded to side trim panel only on initial installation.
So that contact surface of side trim panel is not damaged, only drill down to side trim panel base area.

Drill out welding spots (1) on side trim panel with 8 mm dia. weld spot drill bit.

Release speaker cover (2) at latch mechanism (3) and remove.

Remove welding residuals on side trim panel with scalpel (for heavy duty use).

Fig 1: Identifying Speaker Cover And Latch Mechanism

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Insert speaker cover (1) in side trim panel and secure with latch mechanism (2).

Secure pins (3) with nuts (4).

NOTE: Carefully apply nuts (4) so that they do not become over revved.

Saw off all pins (3) to dimension (X) (risk of damage of sound insulation).

Dimension (X) = 2 mm

IMPORTANT: Do not clip off pins (3) with diagonal cutting pliers, as the pins can thereby become warped and the nuts (4) become loose.
To not drop below dimension (X) while sawing off, place on suitable washer and saw off pins (3) above the washer.

Fig 2: Identifying Pins And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.