They are pretty rare, I've only seen a few in this area. Even rarer are modified ones. I've only seen a modded one on the forums. I love them though and if I could afford it, I'd get a E91 335i in a heart beat.
Congrats on the new ride!
2006 330i//Alpine White//Terra//6 Speed//Sport Package//Premium Package//19'' LM Reps//Blacklines//BMS PowerBox