12 61 250 Removing and installing/replacing oil temperature switch (M52TU, M54, M56)

Switch off ignition.

Unfasten oil filter cover to enable engine oil in filter to flow back into the oil sump.

Fig 1: Removing Suction Filter Housing

Courtesy of BMW OF NORTH AMERICA, INC.

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:

Fig 2: Disconnecting Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.