The “MHD Universal WIFI Adapter OBDII Wireless Flash” is a great one that i personally own. Got it from bimmer ECU solutions. Also used it to turn off the the auto start/stop function
So I started getting this message on my 2021 3.0 a little after I had my front and rear dash camera professionally installed, had the dealer run diagnostics and they found nothing wrong with my battery they said just be mindful of what stays on because my specific dash camera stays on 6 min...