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

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.