Try leaving the dipstick out for a few hours (e.g. overnight) so the tube drains, then get the stick as dry as you can and dip.
A tip learnt from the other troublesome Fiat dipstick in wide circulation (but not on TAs) - "The Springy One".
Nick
A tip learnt from the other troublesome Fiat dipstick in wide circulation (but not on TAs) - "The Springy One".
Nick