Wow, I just came across this thread and have read all 24 pages now.
Sorry to hear Hammy. I really enjoyed our 335i, and a couple of years ago, a friend of mine bought a 2011 used one and hasn't had any problems to date... So I thought maybe the turbo issues had subsided.
Coming from a 335i, maybe you should go to the Mustang 5.0 I really like the one evil twin posted...
I think the GTI is a really nice choice too. I'm biased, but it's very practical and fuel efficient. Yes, it's less powerful but it's got a nice motor for its weight, and is lighter, tossable and fun in that way. Although it's an FGC and turbo car... I don't know about the reliability of the new Mustang
EDIT or the new GTI. But as long as it's average, I'd buy that.
Anyways, enjoy the repaired 335 and have fun new car shopping...