17 51 000 Removing and Installing/Replacing Charge Air Cooler
17 51 000 Replacing and installing/replacing charge air cooler (N54, N57) 740i, 730d, 740dNecessary preliminary tasks:
^ Remove front underbody protection
Important!
Coat sealing rings of quick-connect couplings with antiseize agent.
Pressure pipes cannot be fitted without antiseize agent.
Release screws (1).
Tightening torque 17 10 2AZ.
Removing intercooler cover (2).
Only 740d:
Release coolant hoses from cover (2).
Unlock left charge-air duct (1) on intercooler and detach.
Unlock intercooler (2) towards front from holder.
Unlock right charge-air duct (1) on intercooler and detach.
Unlock intercooler (2) towards front from holder.
Unlock intercooler (1) towards front from holders and remove towards bottom.
Installation:
Charge-air hoses must audibly snap into place.
Coat sealing rings of charge-air hoses with antiseize agent.
Pressure pipes cannot be fitted without antiseize agent.
Check charge-air duct for leaks.
Assemble engine.