Underride protection, tank

Release clips (1).

Release screws/nuts (2 and 3).

Feed out underride protection (4).

Installation: 

If necessary, replace faulty clips (1).

Fit clips (1) with O-rings.

Make sure underride protection (4) is correctly seated.

Fig 1: Identifying Underride Protection With Clips

Courtesy of BMW OF NORTH AMERICA, INC.