12 61 280 Removing and installing/replacing oil pressure switch (S62)

WARNING: This page is about a different car, the 2003 BMW Z8, 2002 BMW Z8, 2001 BMW Z8, and 2000 BMW Z8. However, it is still accessible from the selected car via links, so may be relevant.

Switch off ignition.

NOTE:

To prevent excessive oil discharge when the oil pressure switch is removed, it is essential to drain the main flow oil filter.

CAUTION: Do not damage main flow oil filter cover.

Release and tighten down with a socket only.

The following work steps are shown using the E39 as an example. The installation location of the main flow oil filter cover (1) is different in the E52 than in the E39. Otherwise the same procedure as for the E39 applies.

Fig 1: Locating Oil Filter Cover

G03206329

Courtesy of BMW OF NORTH AMERICA, INC.

When the main flow oil filter cap is opened, engine oil flows from the oil filter housing back into the oil sump.

Open main flow oil filter cover and remove.

Fig 2: Removing Main Oil Filter Cover

G03206330

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Tightening torque, 11 42 2AZ. Refer to ENGINE - TIGHTENING TORQUES .

Installation:

Replace O-ring (2) and coat with oil.

Fig 3: Replacing O-Ring

G03206331

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

A small amount of engine oil emerges when the oil pressure switch is removed. Have a cleaning cloth ready.

Disconnect plug connection (1).

Fig 4: Disconnecting Plug Connection

G03206332

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew switch.

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

NOTE: Assemble car and set in horizontal position.

Start engine and run at idle until oil indicator lamp goes out.

Switch off engine and wait approx. 5 minutes.

Then check engine oil level.

Top up engine oil if necessary.