When you say crash, is like a scraping noise? I've noticed mine making a noise occasionally when going over speed bumps but there's nothing hanging down that could scrape..
It's a shame you only hear about the ones with issues. There's an AMD dealer down by me that will map it so I am tempted. 10 hour round trip to leeds for a remap is just too much time
If I could afford an exhaust I'd probably go down that route, my missus would bury me if I did! I can justify a 60 quid mod lol. I'm still unsure on remaps. I miss the grunt of my ST but I'm worried about the gearbox.