Yesterday the service indicator dropped from 16000 miles to 500. This morning the iDrive is telling me to get the front brake pads replaced immediately. Well, the pads and discs were done the week before we left, and I reset all the service lights myself at that time.
I've tried resetting again, and the indicator in the dash said "Reset possible", but after it counted-down it said "Reset not performed" or something similar. That was after we had spent half an hour in an Autostrada service area. I'm going to try it again tomorrow morning, but I don't hold-out much hope of it resetting.
Never anthropomorphise computers. They hate that.