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
REPLACING CONTROL UNIT (VALVETRONIC)
Switch off ignition.
Follow instructions for disconnecting and connecting battery.
Disconnect battery.
CAUTION: Follow instructions for removing and installing electronic
control units.
Observe following instructions before replacing control unit:
PROGRAM CONT
Special tools required:
11 9 190
11 9 461
11 9 462
(cylinder bank 1 to 4)
Necessary preliminary tasks:
Remove servomotor from right eccentric shaft.
Remove right cylinder head cover.
Remove all spark plugs on cylinder bank 1 to 4.
If necessary, remove remove fan cowl.
IMPORTANT: Screw (