Removing the side sill trim panel

NOTE: Description is for left component only. Procedure on the right side is identical.

Prerequisite

The front and rear doors are open.

Loosen screws (1).
Loosen nut (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Starting at the rear, detach the side sill trim panel (1) from all latch mechanisms (arrows) along the dashed line.

Courtesy of BMW OF NORTH AMERICA, INC.
Release the side sill trim panel (1) in the area of the dashed line from the latch mechanisms (arrows).
Feed out the side sill trim panel (1) and remove.

Courtesy of BMW OF NORTH AMERICA, INC.