[Superspeed]

I had to refill 1liter (1.06 quart) after 10000 km (6200 miles). Mostly country roads, 50% in sport mode, 50% in normal or comfort mode.
The car is in for the first service in a couple of weeks, so they are asked to check it out. I have saved some other issues over the last almost two years as well, to be carried out at the dealer.