See also:

BMW X6: rear seats
The head restraints in the rear cannot be adjusted and cannot be removed. ...

Fuel tank capacity
Gasoline engine Fuel tank capacity: approx. 21.6 US gal/82 liters. Refuel promptly Refuel below a range of 30 miles/50 km; otherwise, engine functions are not ensured and damage may occur. ...

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