In this video I go over the recent CS Flash and CS Tune I had done and what the experience of it has been around the track and in the quarter mile.

Below are the two coder's I have used. Both very professional and good at what they do.
Bimmer-Remote: EU Coder (Can absolutely help US People as well): https://bimmer-remote.com/
Chris3G: US Coder: https://chris3g.com/