11 40 000 Checking Engine Oil Pressure (N54)

Special tools required:

Necessary preliminary tasks:

Disconnect plug connection on oil pressure switch (1)

Remove oil pressure switch (2).

Fig 1: Identifying Oil Pressure Switch

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Screw in special tool 11 4 050 with sealing ring. See 11 4 050 REDUCER

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

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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.

Specified values.

Fig 3: Identifying Special Tools (13 3 063 & 13 3 061)

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Assemble engine.