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Engine Oil Pressure: Testing and Inspection



11 40 000 Checking Engine Oil Pressure

Special tools required:







WARNING: Risk of scalding.

NOTE:
To check the engine oil pressure, remove the oil pressure switch and install and connect the special tool.
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.







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.







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.