While going through
www.bmw.de, i found the Brochure for the new M3 including the base price and options available, but the thing is (I don't know how to read German); however i tried to make sense of the optins.
There were two numbers: (Prices are in Euro's):
1) EUR - ohne mwst (56,008.40) = $ 75,328 (As today's X-Rate)
2)EUR - inkl. 19% mwst (66,650) = $ 89,644 (As today's X-Rate)
So they are having 19% as Tax if i am not mistaken.
therefore, if i take the first option with 8% Tax, this will give us: $81,354
and this is excluding all the nice options mentioned at the bottom of the brochure.(Add all the Nice numbers if you dare

) I really don't know how much the prices will differ for the one's coming to the U.S. Compared to the Euro version, but I have done a simple calculation (it maybe incorrect, but it is a near figure): I compared both U.S and German Prices for the 335i Coupe and the difference was 32% more for the Euro one, so i have added this into the calculation of the $81,354 this gave me $55,321. In conclusion, my prediction is $55,000-$57,000 (and this is according to true numbers).
P.S: Don't forget the Dealers Mark-up value you should add $5000-$10,000 for first deliveires.
Regards