mx5cartalk.com

Thought some might find this interesting: Noticed a damp spot on the bottom of the fuel tank so I scrubbed it clean and set up a time lapse over the day:

https://www.youtube.com/watch?v=CYboqbTQbN8

Not sure what has caused it, rust maybe?

Not common as far as I know, but another forumite had a leaking tank recently:
viewtopic.php?f=29&t=57051