NOTES ON FUEL PRESSURE CHECK (REFERENCE PRESSURE: ENVIRONMENT)
Feature of this version with ambient pressure:
The connection for the vacuum hose of the fuel pressure regulator is located
between the
REPLACING COMPLETE INJECTION PIPE (N52/ N52K)
Special tools required:
13 5 281
Necessary preliminary tasks:
Read out fault memory of DME control unit
Switch off ignition
Remove clean air pipe
Cooling System
The cooling system of the N54 engine consists of a radiator circuit and an
isolated oil cooling circuit. The fact
that there is an isolated oil-cooling circuit ensures that heat is not
introduced via the engine oil into the engine's
coolant system.
Fig. 71: Identifying Cooling S
Special tools required:
13 3 010
Necessary preliminary tasks:
Remove left underbody panelling.
Seal off water hoses at fuel pump with special tool 13 3 010
Fig. 54: Identifying Special Tool (13 3 010) On Water Hoses
Recycling
Fuel escapes when fuel lines are detached. Have a suitable collect