BMW 7 Series: Oil Supply
CHECKING ENGINE OIL PRESSURE
Notes
WARNING: Risk of scalding!
NOTE: To check the engine oil pressure, remove the oil pressure switch and install and connect the special tool.
NOTE: A small amount of engine oil emerges when the oil pressure switch is removed.
Have a cleaning cloth ready.
Necessary preliminary work
- Follow BMW diagnosis instruction
- Remove OIL PRESSURE SWITCH
Special tool 11 4 050 is equipped with a sealing ring (1).
IMPORTANT: Tightening torque of special tool 11 4 050 max. 20 Nm.
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Fig. 397: Identifying Special Tool (11 4 050) And Sealing Ring
Screw special tool 11 4 050 into crankcase to max. 20 Nm.
Secure union nut (1) of special tool 13 3 063 to max. 15 Nm.
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Fig. 398: Identifying Union Nut And Special Tool 11 4 050
Checking engine oil pressure with DIS Tester
Screw special tool 13 6 054 with sealing ring (1) into special tool 13 6 051 and connect to DIS tester.
Checking engine oil pressure with pressure gauge
Connect special tool 13 3 063 with special tool 13 3 061 (pressure gauge).
Start engine and check engine oil pressure.
SPECIFIED VALUE.
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Fig. 399: Checking Engine Oil Pressure
READ NEXT:
Removing And Installing/Replacing Oil Pump (N63)
Notes
IMPORTANT: All adjusting procedures on the chain drive must be observed.
A timing chain which is tensioned too tautly can cause noises in the chain
drive.
A timing chain that is too slack can
Removing And Installing/Replacing Roller Chain For Oil Pump Drive
(N63)
Special tools required:
11 7 201
22 13 485
Necessary preliminary tasks:
Drain engine oil.
Remove flywheel.
Remove bottom of oil sump.
NOTE: Support bush (2) is included in delivery specificat
SEE MORE:
Removing And Installing/Renewing Pressure Lines For Valve Block
(Short)
Notes
WARNING: DANGER OF POISONING if oil is ingested/absorbed through the
skin!
RISK OF INJURY if oil comes into contact with eyes and skin!
IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to
enter the hydraulic system.
Do not draw off hydraulic fluid (risk of contamination).
Removing And Installing/Replacing Both Solenoid Valves On Left Side
(N63)
IMPORTANT: Always check that the solenoid valves are clean during removal
and
installation.
Possible malfunctions if valves are contaminated:
Irregular operation
OBD incorrect entry
Poor exhaust gas values
Low engine performance
IMPORTANT: Risk of damage!
Do not clean solenoid valves with co
