See also:

Windshield washer nozzles
The windshield washer nozzles are heated automatically while the engine is running or the ignition is switched on. ...

Wiper system
1.  Switching on wipers 2.  Switching off wipers or brief wipe 3.  Activating/deactivating intermittent wipe or rain sensor 4.  Cleaning windshield and headlamps 5.  Set ...

Have maintenance carried out
Have vehicles maintained regularly to achieve optimal vehicle economy and operating life. Have the maintenance carried out by your service center. Please also note the BMW Maintenance System ...