12 61 280 Removing and installing/replacing oil pressure switch (M52TU, M54, M56)
Switch off ignition.
Remove suction filter housing, refer to 13 71 000 REMOVING AND INSTALLING INTAKE FILTER HOUSING (M54) .
Unfasten oil filter cover to enable engine oil in filter to flow back into the oil sump.
The procedure is described in the section BMW engine oil service.
NOTE:
Figure shows power steering pump supply tank removed.
Disconnect plug connection (2).
Disconnect plug connection (2).
CAUTION:
A few drops of oil escape when the oil pressure switch is released. Catch residual oil with cleaning cloth and dispose of oil.
Disconnect plug connection (2).
Release oil pressure switch.
Installation:
Tightening torque, refer to 12 61 1AZ in ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES .