51 47 490 Removing And Installing / Replacing Front Underbody Protection

WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

All except 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: Identifying Underbody Protection And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

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

Fig 2: Identifying Catches And Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Version with rough road package:

Release screws (1 and 2).

Feed out underbody protection (3) towards rear.

Installation:

Replace screws (1).

Tightening torque 51 71 20AZ. . See LOOSE BODY PARTS .

Fig 3: Identifying Underbody Protection And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

M5 only:

Release 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 4: Identifying Underbody Protection And Screws

Courtesy of BMW OF NORTH AMERICA, INC.