Originally Posted by BCA
In response to the bolded question above: Yes, I believe what I've read on this forum is that the E90 has more room in the rear than the E92. I'm almost positive that I've seen comments about the E90 being able to accomodate more aggressive rear setups. Hope that helps...
I believe there are a couple of mm of difference, ergo, given the findings in this thread, I'm thinking of going:
255/35 + 15mm fronts
285/30 + 12-15mm rears