11 40 000 Checking Engine Oil Pressure (N54)

WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

For the following special tools, refer to ENGINE- SPECIAL TOOLS .

11 4 050

For the following special tools, refer to FUEL SYSTEM - SPECIAL TOOLS -- 135I .

13 3 061
13 3 063
13 6 051
13 6 054

Necessary preliminary tasks:

Remove front ignition coil cover . See 11 00 REMOVING AND INSTALLING/REPLACING IGNITION COIL COVER (N54) .

Disconnect plug connection (1) on oil pressure switch.

Installation:

Plug connection (1) must snap audibly into place!

Remove oil pressure switch (2).

Tightening torque. See 12 61 1AZ in OIL PRESSURE, OIL TEMPERATURE GAUGE .

Fig 1: Identifying Plug Connection On Oil Pressure Switch

Courtesy of BMW OF NORTH AMERICA, INC.

Screw in special tool 11 4 050 with sealing ring (1).

Fig 2: Identifying Special Tool And Sealing Ring

Courtesy of BMW OF NORTH AMERICA, INC.

Checking engine oil pressure with BMW diagnosis system:

Connect special tools 13 6 054 and 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.

Compare actual values with prescribed setpoint values . See ENGINE - TECHNICAL DATA .

Fig 3: Checking Engine Oil Pressure Using Pressure Gauge

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.