Wow, how cool would that be if they figured out a way to have it display on the HUD in the E70. Gonna have to email them...
Update:
No E70 solutions in sight 
StealthOne says "The New BMW Series uses optical technology from the MOST bus, at this time, the "MOST" Corporation is basically a legalized racket which only allows "members" who pay $25K-$100K to actually purchase the interface parts, so basically, its not going to happen until someone opens this up."