Pull the wiper lever towards you.
The system sprays washer fluid on the windshield and activates the wipers briefly.
In addition, the headlights are cleaned at regular intervals when the vehicle's lights are activated.
Do not use the washer system at freezing temperatures
Do not use the washers if fluid could freeze onto the windshield which might impede your viewing field. Therefore use antifreeze fluid.
Avoid using the washer when the reservoir is empty; operation might damage pump.
Windshield washer nozzles
The windshield washer nozzles are automatically heated while the ignition is switched on.
BMW X3 Owners Manual > Displays: Engine oil temperature
Cold engine: the pointer is at
the low temperature end.
Drive at moderate engine
and vehicle speeds.
Normal operating temperature:
the pointer is in the
middle or in the left half of
the temperature display.
Hot engine: the pointer is at the high end of
the temperature range. ...