Hey guys, we just installed another Akrapovic Evolution system on a 2011 M3 ZCP. Here's a couple quick videos documenting the installation process and showing off the sound:
Installation Overview Video
This video is not meant to be an instructional, rather it's just cursory overview of the installation process.
Sound Clip Video
We decided to get a little bit of everything in this video: revving, aggressive driving, normal driving, interior and exterior.