Intercooler: Service and Repair

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

Special tools required:






Necessary preliminary tasks:
- Remove front underbody protection.
- Unfasten and detach charge air duct on left and right of charge air cooler.






Important!
Coat sealing rings of snap fasteners with lubricant.
Pressure pipes cannot be fitted without lubricant.






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






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






Release screws and remove charge air cooler (1).






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






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






Installation note:

Caution!
Risk of damage to sealing rings!
Special tool 11 8 670 is essential!
- Coat sealing rings with antiseize agent.
- Attach charge air duct (1) with special tool 11 8 670 to charge air cooler (2).
- Charge air ducts must audibly snap into place.

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






Reassemble the vehicle.