Switching between letters and numbers
Depending on the menu, you can switch between entering letters and numbers:

See also:
Changing settings
1. Select a field.
2. Turn the controller until the desired setting
is displayed.
Turn the controller until the desired setting
is displayed
3. Press the controller. ...
Vehicle care
Car care products
BMW recommends using cleaning and care
products from BMW, since these have been
tested and approved.
Car care and cleaning products
Follow the instructions on the container.
...
Adjusting
Vehicle
Equipment
...
