17 51 000 Removing and installing/replacing charge air cooler (N54, N54T, N55)

Special tools required:

Necessary preliminary tasks

Remove front underbody protection . See 51 47 490 REMOVING AND INSTALLING/REPLACING FRONT UNDERBODY PROTECTION or 51 47 490 REMOVING AND INSTALLING/REPLACING FRONT UNDERBODY PROTECTION .
Unfasten and detach charge air duct on left and right of charge air cooler.
OnlyE84 with pedestrian protection:

Remove pedestrian protection.

IMPORTANT: Coat sealing rings of snap fasteners with lubricant.
Pressure pipes cannot be fitted without lubricant.

Only, when cover (1) is installed

Release lock on cover (1) in direction of arrow.

Fig 1: Removing Lock On Cover

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Only, when cover (1) is installed

Release cover (1) in direction of arrow and remove.

Fig 2: Removing Cover

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Release screws and remove charge air cooler (1).

Fig 3: Removing Charge Air Cooler

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Installation note:

Make sure charge air cooler (1) and cooler bracket (2) are in correct installation position.

Fig 4: Identifying Charge Air Cooler And Cooler Bracket

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Installation note:

Make sure charge air cooler (1) and cooler bracket (2) are in correct installation position.

Fig 5: Identifying Charge Air Cooler, Cooler Bracket

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Installation note:

CAUTION: Risk of damage to sealing rings!
Special tool 11 8 670 is essential!

Texts refer to and Fig 6 illustrations show the right side. The procedure is identical for the left side.

Fig 6: Connecting Charge Air Duct With Special Tool 11 8 670 To Charge Air Cooler

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Reassemble the vehicle.