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:
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Necessary preliminary tasks:
Read out fault memory of DME control unit
Switch off ignition
Remove clean air pipe
It is the outward-opening piezo-injector that renders possible spray-directed
direct injection and thus the overall
innovations of the N54 engine. Due to the fact that only this component ensures
that the injected fuel spray cone
remains stable, even under the prevailing influences of pressure and
REMOVING AND INSTALLING/REPLACING HEAT EXCHANGER FOR AUTOMATIC
TRANSMISSION (N52K) )
IMPORTANT: Danger of scalding!
Only perform this work after engine has cooled down.
Necessary preliminary tasks:
Follow instructions for working on cooling system.
Drain coolant.
Remove fan cowl.
Recycling
Ca