11 40 000 Checking engine oil pressure (N54, N54T)

WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove front IGNITION COIL COVER

Disconnect plug connection (1) on oil pressure switch.

Installation note:

Plug connection (1) must snap audibly into place!

Remove oil pressure switch (2).

Tightening torque 12 61 1AZ .

Fig 1: Identifying Oil Pressure Sensor And Plug

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

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

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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 .

Fig 3: Checking Engine Oil Pressure Using BMW Diagnosis System

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Assemble engine.