Originally Posted by e90pilot
The reason I reccomend short filling is to verify that the only method of checking oil quantity is working properly. If it's not and it tells you it's full at 5qts, that's a problem. I don't know what the minimum safe oil quantity is, but I do know that running an engine low on oil can blow it up. I would highly reccomend checking out that sensor.
Bingo! That's why I wanted to see a reading of less than full.
I'm going to an indy BMW shop next week to get my brakes bled; I'll get them to check the oil sensor and do a couple of other minor things.