51 71 378 Removing and installing/replacing underride protection

WARNING: This page is about a different car, the 2003 BMW X5, 2002 BMW X5, 2001 BMW X5, and 2000 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove front bumper trim. See 51 11 157 Replacing Front Bumper Trim .
Remove front underbody protection. See 51 47 490 Removing And Installing/Replacing Front Assembly Underside Protection .

NOTE: The operation is described on the left side; proceed in the same way for the right side.

Version up to 10/03:

Lever out catches (1) and detach brake air duct (2).

Fig 1: Detaching Brake Air Duct

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Installation:

Fixtures (1) on brake air duct (2) must not be damaged.

Fig 2: Checking Fixtures On Brake Air Duct

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Build date from 10/03:

Release expansion rivet (1).

Lever out catches (2) and detach brake air duct (3).

Fig 3: Releasing Expansion Rivet

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Installation:

Fixtures (4) on brake air duct (5) must not be damaged.

Left only:

Lever temperature sensor (1) out of fixture (2).

Pull temperature sensor (1) with cable grommet (3) out of brake air duct (5).

Fig 4: Pulling Temperature Sensor

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All build versions:

Installation:

Catches (1) on brake air duct (2) must not be damaged.

Fig 5: Checking Catches On Brake Air Duct

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Release nuts (1) and remove underride protection (2) in direction of arrow.

Fig 6: Removing Underride Protection

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Installation:

Nuts (1) on underride protection (2) must not be damaged.

Fig 7: Checking Nuts On Underride Protection

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