Not sure where to post this... (and considering it with a large grain of salt).... there is some fun to be had with the tuning of the M235i when it comes out... if these are anything to go by...
M135i
http://www.superchips.co.uk/search?m...6&variant=2741
335i
http://www.superchips.co.uk/search?m...3&variant=2743