Oil Temperature Sensor/Switch: Service and Repair

Removing And Installing/Replacing Oil Temperature Switch (M52TU, M54, M56)

Switch off ignition.
Remove suction filter housing.







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.







Location: On base of oil-filter.

NOTE: Figure shows power steering pump supply tank removed.

Disconnect plug connection (1).

CAUTION: A few drops of oil escape when the oil temperature switch is released. Catch residual oil with cleaning cloth and dispose of oil.

Release oil temperature switch.

Installation:
Tightening torque
1AZ Oil-pressure switch/oil-temperature switch 27 Nm
Note: Oil and screw in