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

See also:
General information
The iDrive functions can be stored on the programmable
memory buttons and called up directly,
e.g., radio stations, navigation destinations,
phone numbers and entry points into the
menu.
The ...
Enabling operation in the rear
Only possible via the iDrive in the front.
1. "Settings"
2. "Allow rear control"
3. Select the desired priority.
...
Tire inflation pressure values over
100 mph/160 km/h
528i
Without high-speed tuning feature
550i
Without high-speed tuning feature
With high-speed tuning feature
528i xDrive
Without high-speed tuning feature
With high-speed tuning ...
