For most BMW enthusiasts who enjoy a great driving experience, the internal sounds matter a lot. Here is a video clip showing the 2012 335i (turbo 6 cylinder N55 engine) Sport Line Model accelerating.
[youtube]http://www.youtube.com/watch?v=2rixZExWJ7o[/youtube]Here is another video showing the 2012 328i (turbo 4 cylinder N20 engine) Sport Line Model accelerating and shifting action from the new 8 speed automatic transmission with Sport Auto Option and paddle shifters.
[youtube]http://www.youtube.com/watch?v=YNgpQa3HQUQ[/youtube]