Thought I'd chime in on the connection issues. not sure if this will help anyone. But I'm using a Galaxy S10 with the ethernet settings provided by the instructions with this ethernet to USB C adaptor I got on amazon(Link:
https://www.amazon.com/dp/B07PX9ZY3C...p_mob_ap_share ) and the ethernet to obd cable I use for bm3(I think from amazon aswell) and thankfully had no connection issues since release. I recently took a nonstop 1.5-2hr to and from drive to philly with a range of driving conditions slow traffic to long runs at highway speed and above and stop and go traffic in RWD mode with no ill effects that I could feel,see,hear,smell. just the other day I parked in grass on a hill and was able to easily switch back to awd to save the embarrassment of spinning tires and getting stuck or stalling infront of random people
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My car is a 6spd man. 2013 335i Xdrive running BM3 Stage 2 with a catted downpipe, Charge pipe,intercooler, AWE exhaust and AFE intake.