51 11 154 Removing and installing/replacing attachment for front bumper trim (HP)
WARNING: This page is about a different car, the 2003 BMW X5 and 2002 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
Release spring clips (1) in area (2) on left and right.
Fig 1: Releasing Spring Clips
Courtesy of BMW OF NORTH AMERICA, INC.
Release clips (1) on left and right and remove attachment (2) in direction of arrow.