See also:

Current fuel consumption
Current fuel consumption Displays the current fuel consumption. You can check whether you are currently driving in an efficient and environmentally-friendly manner. ...

General information
Refuel promptly Refuel below a range of 30 miles/50 km; otherwise, engine functions are not ensured and damage may occur. ...

Owner's Manual for Vehicle
Thank you for choosing a BMW. The more familiar you are with your vehicle, the better control you will have on the road. We therefore strongly suggest: Read this Owner's Manual before starting off ...