See also:

Activating HDC
Press the button; the LED above the button lights up. ...

Check the tire inflation pressure regularly
Check and, if necessary, correct the tire inflation pressure at least twice a month and before starting on a long trip. Low tire inflation pressure increases rolling resistance and thus raises ...

Saving a function
1. Highlight the function via the iDrive. 2. Press the desired button for more than 2 seconds. ...