Ruff,
Agree with your view on BMW taking the short-cut route by using much of the V-10 and avoiding the DFI. It feels to me like a corporate (aka produce the most with the least investment) decision. Certainly fuel efficiency is a bigger deal today than it was a few years ago when the V-10 was being developed, but it had to be compelling to use the V-10 components in developing the V-8.
However, I still believe the new powerplant is a helluva motor. I also am anxiously awaiting to see the fuel comsumption of a broken-in M3 with DKG. My guess is that the car will beat the fuel consumption of its direct competition, as it has been doing with the performance numbers and track times.
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