I have started getting an intermittent "Warning! Oil Level Low" appearing on the display of my IS 220d (09 plate). When I check the dip-stick there is plenty of oil in there - quite a bit more than the maximum indicator on the dip-stick in fact. I have never put any oil in myself, and it has not been serviced for many months, so I can't imagine too much oil is the problem (unless it has been increasing for some other reason).
Does anyone have any ideas why this might be happening, and what I can do to stop it - apart from taking it to an expensive dealer ?
