I have read that the "service fill" for engine oil is 3 litres (2.8+ 0.2 for the oil filter) If I put 3 litres in the dipstick shows way over full. I reckon about 2.5 litres of oil brings the dipstick to the "full" level. Has anyone else found this to be the case. By the way I sucked sump oil out of the dipstick tube rather than undoing the sump plug.