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

Necessary preliminary tasks:

Only if removing left underbody panelling:

Remove rear UNDERBODY PROTECTION

NOTE: Prior to removing, pay attention to the exact installation position with respect to the adjoining components.
The operation is described on the left side; proceed in the same way for the right side.

Release plastic nuts.

Release clips (1).

Unfasten screws (2 and 3).

Feed underbody panelling out of front wheel arch trim and remove towards bottom.

Installation:

If necessary, replace faulty clips (1) and plastic nuts.

Fig 1: Identifying Underbody Panelling, Clips And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Modify LIP (1)
Modify sheet nuts (2)

Installation:

If necessary, replace faulty metal nuts (2).

Fig 2: Identifying Lip And Faulty Metal Nuts

Courtesy of BMW OF NORTH AMERICA, INC.