Engine Oil Pressure: Testing and Inspection
11 40 000 Checking engine oil pressure (N54, N54T)Special tools required:
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.
Screw in special tool 11 4 050 with sealing ring (1).
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 set point values.
Assemble engine.