51 47 490 Removing and installing / replacing front underbody protection

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: Pulling Out Underbody Protection 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: Feeding Out Underbody Protection

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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: Pulling Underbody Protection

Courtesy of BMW OF NORTH AMERICA, INC.