51 71 378 Removing and installing/replacing underride protection

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

Necessary preliminary tasks:

Remove front bumper trim, refer to 51 11 156 REMOVING AND INSTALLING FRONT BUMPER TRIM (UP TO 10/03) .
Remove front underbody protection, refer to 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 (Models Up To 10/03)

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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: Detaching Brake Air Duct (Models From 10/03)

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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: Removing Temperature Sensor

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All build versions:

Installation:

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

Fig 5: Installing 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: Installing Underride Protection

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