its funny that i have come to that decision with mine partly due to the amount of my life i have spent under it and some life style changes and a pet that is just growing like the bill on my mini lol.I filled in the crack with some sealant, fitted the new throttle, spent an hour putting that twat bolt back, cleared the codes and took it for a spin.
Drove like a dream, no codes, no hesitation, spot on.
Such a relief. Looks like it was a faulty throttle after all.
Anyway, the bitch of a car is getting sold!