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Originally Posted by IEDEI
0% chance of that. it's all about efficiency these days and it is guaranteed the next M2 will be turbocharged as it is definitely the most efficient way to extract power out of a block.
also a 0% chance to the guy who said they should do a "2.5L inline 5"....i think you're thinking of Audi!
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What do you consider efficient? There are some really good normally aspirated 6-cylinders out there, that get good gas mileage.
It can be done. 991 S gets 19/27 mpg, that is bascially current 135i mpg.