51 47 ... Removing and installing/replacing left or right underbody paneling

Release plastic nuts. Release screws (1) of wheel arch trim.

Release screws (2).

Release screws (3).

If necessary, release screw (5).

Release screws (4) and remove underbody paneling in direction of arrow.

Fig 1: Locating Plastic Nuts On Paneling

Courtesy of BMW OF NORTH AMERICA, INC.