Originally Posted by mapezzul
M needs to hit a 20% efficiency gain or the BMW AG board will not approve anything- EFFICIENT DYNAMICS and going green are the way to the pockets of people with money.
I'm all about efficiency gains, but I hope the F8x M models get more than a 20% improvement. I only get 14-15mpg with mixed driving on my E92, so 20% would be 18mpg. I'd love to see 20mpg+.