Video: BMW flaunts race-bred M3

BMW has sent the race bred version of its latest-generation M3 around the track for its maiden drive.
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The brand is preparing to make its return to the American Le Mans Series (ALMS) since the E46 M3 GTR was pulled from the event following homologation violations due to its V8 engine as all M3's boasted straight-six's at the time.