11 74 509 Replacing Both Pressure Converters for Turbocharger (N63)
Necessary Preliminary Tasks:
- Partially Release Charge Air Cooler EXPANSION TANK .
- Partially Release AUXILIARY WATER PUMP for Exhaust Turbocharger (Not F04).
- Disconnect Plug Connection At COOLANT THERMOSTAT .
Pressure Converter, Cylinders 1-4
Disconnect Plug Connection (1) On Pressure Converter.
Installation Note:
Plug Connection (1) Must Snap Audibly Into Place!
Disconnect Black Vacuum Hose At Connection (VAC = Vacuum Reservoir).
Disconnect Black/Red Vacuum Hose At Connection (Out = Turbocharger Vacuum Unit).
Unscrew Nuts (2).
Tightening torque 11 65 8AZ .
Remove Pressure Converter.
Pressure Converter, Cylinders 5-8
Disconnect Plug Connection (1) On Pressure Converter.
Installation Note:
Plug Connection (1) Must Snap Audibly Into Place!
Disconnect Black Vacuum Hose At Connection (VAC = Vacuum Reservoir).
Disconnect Black/Blue Vacuum Hose At Connection (Out = Turbocharger Vacuum Unit).
Unscrew Nuts (2).
Tightening torque 11 65 8AZ .
Remove Pressure Converter.
Check Activation Via BMW Diagnosis System.