51 47 490 Removing and installing / replacing front underbody protection

WARNING: This page does not describe the selected car, but rather 19 other vehicles, including the 2010 BMW M5, 2009 BMW M5, 2008 BMW M5, 2007 BMW M5, and 2007 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 Center Underbody Protection

G03261781

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

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

Fig 2: Removing Catches On Cover

G03261782

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: see 20AZ in 51 71 SEALS AND LOOSE BODY PARTS

Fig 3: Identifying Underbody Protection Screws

G04742334

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 4: Removing Screws At Side From Wheel Arch Trim

G03261783

Courtesy of BMW OF NORTH AMERICA, INC.