11 40 000 Checking engine oil pressure (N51)

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Special tools required:

11 4 050
13 3 061
13 3 063
13 6 051
13 6 054

Necessary preliminary tasks:

Remove acoustic cover.

Disconnect plug connection on oil pressure switch (1)

Remove oil pressure switch (2).

For tightening torque refer to 12 61 1AZ in 12 61 ENGINE OIL PRESSURE, ENGINE OIL TEMPERATURE, OIL CONDITION DISPLAY

Fig 1: Identifying Oil Pressure Sensor And Plug

G04751376

Courtesy of BMW OF NORTH AMERICA, INC.

Screw in special tool 11 4 050 with sealing ring.

Fig 2: Special Tool (11 4 050) And Sealing Ring

G04740314

Courtesy of BMW OF NORTH AMERICA, INC.

Checking engine oil pressure with diagnosis tester:

Connect special tool 13 6 054 to special tool 13 6 051.

Checking engine oil pressure with pressure gauge:

Connect special tools 13 3 063 and 13 3 061.

Start engine and check engine oil pressure.

Specified values.

Fig 3: Special Tools (13 3 063), (13 3 061), (13 6 054), (13 6 051) And (11 4 050)

G04740315

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.