51 47 490 Removing and installing / replacing front underbody protection

WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. However, it is still accessible from the selected car via links, so may be relevant.

Not M5:

Release screws (1 and 2) and pull out underbody protection (3) from under bumper trim.

Installation:

Ensure that seals are correctly seated.

Center underbody protection (3) and tighten down screws (1) and (2).

Fig 1: Locating Under Body Protection Retaining Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

If necessary, remove catches (1) on cover (2).

Fig 2: Identifying Catches On Cover

Courtesy of BMW OF NORTH AMERICA, INC.

M5 Only:

Unfasten screws (1 and 2).

Release screws (3) at side from wheel arch trim. Pull underbody protection (4) forward under bumper trim.

Installation:

Ensure that seals are correctly seated.

Center underside protection (4) and tighten down screws (1, 2 and 3).

Fig 3: Removing Under Body Protection

Courtesy of BMW OF NORTH AMERICA, INC.