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

WARNING: This page is about a different car, the 2003 BMW 530i, 2002 BMW 530i, and 2001 BMW 530i. However, it is still accessible from the selected car via links, so may be relevant.

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.

Fig 1: Locating Oil Filter Cover

Courtesy of BMW OF NORTH AMERICA, INC.

The procedure is described in BMW engine oil service.

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.

Disconnect plug connection (1).

Release oil temperature switch.

Fig 2: Disconnecting Oil Temperature Switch Connector & Removing Oil Temperature Switch

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Tightening torque, refer to 12 61 1AZ in ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES .