BMW 7 Owners & Service Manuals

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.

Oil Supply
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.

Oil Supply
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.

Oil Supply
Fig. 399: Checking Engine Oil Pressure

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