i dunno, this is what they had in the article @
http://www.f30post.com/forums/showthread.php?t=767418
Quote:
There will be an M4 (F82) version based off the 4 Series coupe and there will also surely be M Performance Automobiles spawned off the F30 3 Series and F32 4 Series lineups (in the form of M335i, M435i, M340i, or M440i, etc..)
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Unless that would be considered M-Sport line which i think should have included the M performance exhaust at least