Removing the left heat shield

Loosen screw (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Release the screw (1) at the bottom of the heat shield (2).
Release the heat shield (2) from the lower heat shield.

Courtesy of BMW OF NORTH AMERICA, INC.
Release the screw (1) at the top of the heat shield (2).
Release left heat shield (2) from the other heat shields.
Feed out left heat shield (2) to the top and remove.

Courtesy of BMW OF NORTH AMERICA, INC.