BMW recommends using care and cleaning products from BMW, since these have been tested and approved.
Car care and cleaning products
Follow the instructions on the container.
When cleaning the interior, open the doors or windows.
Only use products intended for cleaning vehicles.
Cleansers can contain substances that are dangerous and harmful to your health.
Vehicle paint
Regular care contributes to driving safety and value retention. Environmental influences in areas with elevated air pollution or natural contaminants, such as tree resin or pollen can affect the vehicle's paintwork. Tailor the frequency and extent of your car care to these influences.
Aggressive substances such as spilled fuel, oil, grease or bird droppings, must be removed immediately to prevent the finish from being altered or discolored.
BMW X3 Service & Repair Manual > Oil pressure/oil temperature/oil gauge: Replacing engine oil level sensor (N52T)
IMPORTANT:
Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .
Necessary preliminary work:
Switch off ignition.
Remove REINFORCEMENT PLATE .
Drain ENGINE OIL .
Release connector (1) and remove.
Unscrew nuts.
Remove oil level sensor ( ...