Sorry if this is a repost - I didn't see it anywhere.

Full post here: http://www.cobbforums.com/forums/sho...ures-Available

From the initial observations, everyone is saying 301 has smoothed out the throttle responses and they have also changed the nomenclature of the tunes - drive, sport & aggressive (87, 89 (or all premium fuels) & 93 octanes).

If you have difficulty getting the new maps loaded, there is some support here: http://www.e90post.com/forums/showthread.php?t=585798