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
IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection).
Necessary preliminary tasks:
Switch off ignition
Disconnect battery negative lead.
Remove microfilter housing.
IMPORTANT: Follow instructions for removing and installing electronic
control units
Special tools required:
23 0 020
31 5 130
33 1 150
Necessary preliminary tasks:
Remove reinforcement plate.
Mark position of nut with respect to shaft with punch marks (arrow).
Lever out lockplate (1) with a suitable tool.
Fig. 107: Locating Lockplate
IMPORTANT: Risk of damage!
Do not plac