When you say check out Bimmertech, do you mean contact them and ask them? I just checked out their website and there isn't any place to shop for my '15 F55S but I want to get the activation code from somewhere so I can code my car and get Sirius. I'm fairly familiar with the coding as I've already done some "mild" coding on my F55S (i.e. closing windows with key fob, fog lights on w/DRL's, etc.)Your car has satellite radio prep, which means all the hardware is there, it just needs an activation code from SIRIUS and the time to program it. The codes aren't free though so your options are either to go to your dealer to retrofit (mine charges $425 including labor and 1 year of service) OR you can go 3rd party. Check out Bimmertech - they sell the codes for MUCH cheaper and can remote code it in for you or help you code it yourself if you are familiar with ESYS.