326 HP & 372 Ft Lbs (peak torque was at 2200 rpms) stock on a dyno lab machine. This was at 2,200 miles on the engine.
I'm glad BMW is conservative. Look at the mistakes Mazda made with the 3rd gen Miata and the RX-8. They grossly overrated the hp claims and ended up back pedaling with pay offs, free extended warranties, and negative press.