bluetooth car

Hello

I was an iOS 10 beta tester on my iPhone 6. Other than some misc battery issues on some of the updates, the builds were very stable.

Since purchasing the iPhone 7 with the same version of iOS 10 on it, my phone stops sending audio over the bluetooth very shortly after connecting. Amazon Music, apple music, youtube, phone calls...all stop communicating despite the phone and my car telling me they are connected.

I know BMW hasn't sent any updates to iDrive and the final OS version is the same as when i was testing (allegedly). So the only thing that has changed is the hardware (6 to 7). I have wiped my car settings and wiped my phone and started over with both as if they were new...this process didn't help any.

A solution to this would be very very welcome, Apple.

-s