Screw thread
Push out the cover by pressing on the top edge.
Front

Rear

See also:
Adding engine oil
Filler neck
BMW X5
BMW X6
Add a maximum quantity of 1 US quart/1 liter of
oil only after the corresponding message appears
on the Control Display.
Add oil promptly
Add oil within the ne ...
General information
Refuel promptly
Refuel below a range of 30 miles/50 km;
otherwise, engine functions are not ensured and
damage may occur. ...
Easy to operate iDrive
Then there's the iDrive.
After testing a series of BMW's this year, I am starting to take a more
German approach to the iDrive. Americans are just stupid.
Please don't be offended by that if you ...
