dunno how you figured that E92 was keeping up with it. Quite the opposite, accelerating out of corners better at least in the vid.
Gonna be impressive car with design language similar to the 1M and probably will sound similar if may be bit louder/angrier.
a V6? LOL. Yeah, BMW will want to showcase their best production car technologies - with a brand new engine they have nowhere else in the range. Makes total sense.