1140000 Checking engine oil pressure (N51)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2010 BMW 328xi, 2010 BMW 328i, and 2009 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove acoustic cover.

Disconnect plug connection on oil pressure switch (1)

Remove oil pressure switch (2).

Tightening torque, 12 61 1AZ. See 12 61 ENGINE OIL PRESSURE, ENGINE OIL TEMPERATURE, OIL CONDITION DISPLAY .

Fig 1: Identifying Plug Connection On Oil Pressure Sensor

G04751376

Courtesy of BMW OF NORTH AMERICA, INC.

Screw in special tool 11 4 050 with sealing ring.

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

G04740314

Courtesy of BMW OF NORTH AMERICA, INC.

Check engine oil pressure with diagnosis tester

Connect special tools 13 6 054 and 13 6 051.

Check engine oil pressure with pressure gauge

Connect special tools 13 3 063 and 13 3 061.

Start engine and check engine oil pressure.

OIL PUMP WITH STRAINER AND DRIVE N51/B30 .

Fig 3: Checking Engine Oil Pressure Using Pressure Gauge

G04740315

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.