See also:

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 ...

Operating from the inside
Via the button for the central locking system. If the vehicle has been locked from inside, the fuel filler flap remains unlocked. If an accident of a certain severity occurs, the central loc ...

Note
Children in the vehicle Do not leave children unattended in the vehicle; otherwise, they could endanger themselves and other persons, e.g., by opening the doors.◀ ...