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.

NOTE: A small amount of engine oil emerges when the oil pressure switch is removed.
Have a cleaning cloth ready.

Necessary preliminary work:

Special tool 11 4 050 is equipped with a sealing ring (1).

IMPORTANT: Tightening torque of special tool 11 4 050 max. 20 Nm.

Fig 1: Identifying Special Tool 11 4 050 And Sealing Ring

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Fig 2: Securing Union Nut Of Special Tool 13 3 063

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Fig 3: Checking Engine Oil Pressure Using DIS Tester

Courtesy of BMW OF NORTH AMERICA, INC.