Step back from the headline for a second. The M4 is not even being sold to the M worshipping public at large yet and some one is already pushing the more power and lighter weight version coming in 2016.
[soundcloud url=”http://api.soundcloud.com/tracks/112295597″ params=”” width=” 100%” height=”166″ iframe=”true” /] Revving an engine is surely different than under load but its crescendo or bravado is usually...
