Can't remember exactly where I read it, but it was a "credible" source. Anyway, supposedly, BMW is replacing all NA I6's with turbo 4-cylinders. The only I6's left will be turbocharged. Makes sense when you think about it because doing so will greatly enhance BMW's ability to meet the super strict CAFE standards that are upcoming, especially since the NA I6 is BMW's bread and butter engine here in the U.S.
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