This blog post came in today via email
Granted BimmerTech has a vested interest here (they want you to buy their products), but the post does clarify many of the questions that arose in multiple “audio threads” I’ve been invested in over the past few months. Head unit, MOST, RAM etc…
It’s a straightforward read and likely worth the time
Disclosure : I have BT speakers in my X4, and also BavSound (subs) and Focals (front doors and dash). If I knew at the beginning what I know now, I would’ve gone all Focal speakers (very affordable out of Germany) and either BT or BS subs as I believe the Focal underseats are not compatible ohm-wise
https://www.bimmer-tech.net/blog/ite...-on-the-budget