If it's working OK with no signs of leaks. leave it alone. You need enough to come out of the level bung. Dissregard how much came out as it may not be correct.
mags
May 2011
Depends on how much oil is in you gearbox in the first place, how the hell do we know.
DG
May 2011
I can answer this question...
how much oil for gearbox i need to put in my renualt meagne?