Originally Posted by mkoesel
Swamp, I firmly believe a 3.5L I6 based on the modern BMW I6 architecture is not feasible in a production car, especially with a 7000 RPM rev limit.
At the same time, I think they will exceed 150hp/L with this motor, so it will be 450hp at a minimum with the likely 3L displacement, and I suspect it will be 470hp or more.
I agree, we're not going to see an N55 or variant thereof on the new M3 (which is still 3(?) years away??)
BMW is known for innovation and creating great engines, they're not going to keep re-using the same motor (basically an N54 that lost a turbo, became an N55, now the 1-M is using a variant thereof, etc.) Not going to happen. Thank God.
I'm pretty confident (based on trends, competition, specs, etc.) that the new M3 will have:
1) Minimum 475+ HP
2) Minimum 365+ lb ft. / torque
3) DCT again
4) Sub 4.0 second 0-60 time
5) Higher price tag
6) Better engine than the new AMG TT V8s
BMW has the upper hand in competing with the AMG TT V8 (this motor is here for another 4-5 years and we have NO idea what the BMW M motor will hold, so that's really good).
Also, it's really NOT about efficiency, being green and all that other bullshit when it comes to M cars guys. Think about this: BMW has sold about 17,000 M3s (all variants) to date and they closed the M5 production line with about 22,000 units sold. This is NOTHING, peanuts. ((BMW sells about 200,000 cars per year in the US alone).
These cars are very laser targeted towards us and other "enthusiasts," times are tough, people can barely justify a $300 / month car from Ford, Toyota, etc. We're dropping $1,000+ / month on these cars. They're going to make us happy, as they always have.
The C-Class AMG is pushing 475 horsepower, a boatload of torque and be in no doubt that the new M3 will smash all over that car.
The new M3 is still farrrrrr away, so who knows what the future holds, but I do know one thing with pure certainty:
It will be BETTER than the current E9x M3, which as we all know, is truly on amazing car.