i think im gonna cry...

zaimer

^^This. When doing stuff like that, it is better to take a little off at a time versus trying to rush it. I was in a hurry fixing a couple of rock chips on my front bumper..needless to say, I ended up having to respray the whole thing! .

I know your pain but it could definitely be much worse than what it is. What I would do: remove the leftover glue, touch up the chip (let it dry for at least a few days) then stick on a new "z", covering as much of the chip as possible without it looking odd. Should be as good as new