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
WARNING: Danger of scalding! Work on the cooling system should only be
carried
out when the engine has cooled down.
IMPORTANT: Wear protective gloves and goggles.
IMPORTANT: Lifetime coolant filling:
Never reuse used coolant.
When replacing and removing components which rely on the corrosion
prote
CHECKING ENGINE OIL PRESSURE
Special tools required:
11 4 050
13 3 061
13 3 063
13 6 051
13 6 054
NOTE: To check the engine oil pressure, the oil pressure switch must be
removed and
the special tools installed and connected.
NOTE: A small amount of oil will emerge when the oil pressure swit