I believe BMW hasn't released any official info on the new engine as of yet. All we know so far:
400bhp @ 5800-6250 (approx according to memory)
450lb-ft @ 1800-5200 (again according to memory)
The rpm range I listed might be off a hundred or two, but that's the basic gyst.
E92 335i: Space Grey|Coral Red|Aluminum Trim
Hold out for the BRZ STI or... Rocket Bunny FRS.