See also:

Range
After the reserve range is reached: ▷ A Check Control message is displayed briefly. ▷ The remaining range is shown on the computer. ▷ When a dynamic driving style is used, ...

Continuing destination guidance
If the destination was not reached during the last trip, destination guidance can be resumed. "Resume guidance" ...

Fuel tank capacity
Approx. 22.5 US gallons/85 liters, including the reserve capacity of approx. 2.1 US gallons/8 liters. X5 xDrive50i/X6 xDrive50i: reserve capacity of approx. 3.2 gallons/12 liters. Refuel promp ...