Looks great (both) but the 4er concept rear bumper is very busy, what with those exhausts.
Needless to say I would be thrilled if the car was 5% smaller all around.
And I don't know how I feel about the shrinking greenhouse of new BMW cars, and all the busy names (xdrive instead of xi for example).
I don't doubt for a second it will drive great and sell very well. As somebody mentioned this car seems to be BMW's answer to the A5. It has been the other way around for so long- BMW running it's own race as it were, not building cars to compete with other makers, just building cars in the direction the company saw fit and the company's traditional market eating it up.
As long as the 2er comes out and has e46 size, with simplistic options and manual trans, people like me will be pleased. If not, I am perfectly happy driving and older well maintained car.