IMPORTANT: When working on the oil, coolant or fuel circuit, you must protect the alternator against dirt contamination.
Cover alternator with suitable materials.
Failure to comply with this procedure may result in an alternator malfunction.
Necessary preliminary work:
NOTE: The oil pressure switch is located beneath the high pressure pump.
IMPORTANT: A small amount of engine oil emerges when oil pressure switch is removed.
Have a cleaning cloth ready.
Release connector and remove.
Release oil pressure switch.
Installation note: Replace sealing ring.
Reassemble the vehicle.
Check engine oil level.
BMW X3 Owners Manual > For your own safety: Service and warranty
We recommend that you read this publication
thoroughly. Your vehicle is covered by the following
warranties:
New Vehicle Limited Warranty.
Rust Perforation Limited Warranty.
Federal Emissions System Defect Warranty.
Federal Emissions Performance Warranty.
California Emission Control Sy ...