Originally Posted by car7
Well, It has been shared that hp will be about 450 aswell. Of course torque is getting higher.. The m4 will get a bump in power, this is what they say in europe. They wanna sell these cars and more power is selling. I think Steve has his sources aswell.
That was the early estimate..here is the latest estimate.
"More powerful than current M3
approximately same HP, but around 100 lb-ft more torque (in range of 395 lb-ft) (source)"