51 71 100 Replacing all cooling air routings for radiator

Necessary preliminary work

Not in the case of 12-cylinder models:

Undo screw connection (1) on V-braces (2).

Tightening torque 51 61 6AZ .

Fig 1: Identifying Front And Rear Connection With Screws

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Only in the case of 12-cylinder models:

Undo screw connection (2) on V-braces.

Tightening torque 51 61 6AZ .

Fig 2: Identifying Front/Rear Connection And Bowden Cable

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Undo bolt (1) on V-brace (3) on left or right.

Tightening torque 51 11 7AZ .

Maneuver out V-support (3) upwards.

Unclip hose pipe (2) for headlight cleaning system at marked points and set down safely.

Installation note:

Hose pipe (2) for headlight washer system high-pressure nozzle (right) must be correctly clipped into place at marked points.

Fig 3: Identifying Front And Rear Connection With Screws

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Release screws (2) on brake air duct (1).

Remove brake air duct (1) in direction of arrow.

NOTE: Carry out work on the right side in the same way as for the left side illustrated here.

Fig 4: Identifying Front Connection And Clips

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Release screws (1) on cross-member (2).

Tightening torque 51 11 2AZ .

Fig 5: Identifying Screw Connection On V-Braces (Not For 12-Cylinder Models)

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Release screws (1) on vertical connection (2).

Remove vertical connection (2).

Tightening torque 51 11 2AZ .

Fig 6: Identifying Screw Connection On V-Braces (For 12-Cylinder Models)

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Unlock plug connection (1) and disconnect.

Unfasten screws (2).

Feed out cooling air routing (3).

Fig 7: Identifying Hose Pipe, V-Support And Bolt

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Installation note:

Make sure air intake duct (1) is correctly fitted on cooling air routing (2)

Fig 8: Removing Brake Air Duct

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