Menu navigation
You can use the thumbwheel and buttons 1 to navigate through the menus.
▷ Turn the thumbwheel: select a menu item.
▷ Press the arrow buttons: change between
fields.
▷ 
Press the button: activate the
menu item.
See also:
Actions in the event of a flat tire
Run-flat tires
You can continue driving with a damaged tire at
speeds up to 50 mph/80 km/h.
Do not continue driving without run-flat
tires
If the vehicle is not equipped with run-flat tires
...
Deleting all stored programs
Press both outer memory buttons 1 for approx.
20 seconds until the LED flashes rapidly.
All stored programs are deleted.
The programs cannot be deleted individually. ...
For 520i and 528i: Check oil
level
The concept
The oil level is monitored electronically during
driving and shown on the Control Display.
If the oil level reaches the minimum level, a
check control message is displayed.
Displayi ...