The folks at Carfreaks have somehow come into a stash of 20 (count 'em, dude) snaps of a pretty much totally undisguised BMW M6 prototype lapping an unnamed test circuit. The car looks a lot like the new 6-Series we all either love or hate, but it also reminds me of an inflated Scion tC riding on 20s. The only engine rumor I've heard regarding the M6 is that it may employ the same 507-hp V10 from the E60 M5, which means that the cars will likely be direct competitors, except for the whole door thing.
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