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 Service & Repair Manual > Operating fluids as of 11/2015: Hypoid oils for differential x5/x6 rear axle transverse moment distribution
(qmvh transmission)
Standard equipment: Series X6 - E71; X5M - F85; X6M - F86
Optional equipment: Series X5 - E70, F15, F16
NOTE: For capacities for rear axle differential, see Technical data.
General information about final-drive transmission oils
Final-drive and hypoid transmission oil must fulfil the follo ...