Lol.....
Yes, there is... Three and five door. All BMW Mperformance cars, wich is direct strike at Audi S cars will be equiped with only or optional xDrive.
Here is link on BMW.de page where you can see the specs' of 1 series including M135i xDrive...
http://www.bmw.de/de/de/newvehicles/...s/compare.html
Personaly, I would allways go for longitudal engine layout over tranverse...
BTW, one thing has to be said, and that is, BMW M135i has 3.0 T 6 cilinder engine, and that is advantage over, in this case, 2.5 T 5 cilinder and even more so against its natural rival curent S3 with 2.0 T 4 cilinder...