12 61 285 Replacing level switch for engine oil

WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, 2001 BMW 525i, and 2000 BMW 528i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Switch off ignition.
Unfasten oil filter cover to enable engine oil in filter to flow back into the oil pan.
Remove underbody panelling. See 13 32 051 REPLACING FUEL FILTER (M54)
If necessary, remove reinforcing plate.
Drain engine oil.

Disconnect plug connection (1).

Unscrew nuts (2).

Remove level switch (3).

Installation:

Clean sealing face on oil sump.

Replace seal on level switch.

Fig 1: Removing Engine Oil Level Switch

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Top up engine oil.

Screw on oil-filter cover tightly.

Tightening torque. Refer to ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUE .