oil consumption

[darrsi]

Oh okay, i see what you mean now.
If in real doubt, simply empty it, then shove it back in.
With the filter untouched, i'd be inclined to start with 2.5 litres then go through the motions as described.
Surely you don't need to empty it, just dropping a litre or so out will let you see if it's overfilled won't it?

If your glass is clear.
That was my point, mine has suddenly decided to permanently look empty, it's very weird.
Even using a torch, and after emptying and refilling a couple of times it still looks exactly the same, which at first was a bit disconcerting, but then after a minutes thought realized that as long as i have the recommended amount in, paired with the fact i never need to top up, then it will be fine for the next 4000 miles regardless.