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 > Storage compartments: Center armrest
Opening
Press button, arrow 1, and fold the center arm
rest up, arrow 2.
Connection for an external audio device
An external audio device, e.g., an MP3 player,
can be connected via the AUX-IN port in the
center armrest. ...