51 47 490 Removing and installing / replacing front underbody protection

WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 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: Release screws (1 and 2) and pull out underbody protection (3) from under bumper trim

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Replacement:

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

Fig 2: Removing Catches On Cover

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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 BODY EQUIPMENT - TIGHTENING TORQUES .

Fig 3: Release Screws And Feed Out Underbody Protection (3) Towards Rear

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: Pull underbody protection (4) forward under bumper trim

Courtesy of BMW OF NORTH AMERICA, INC.