I'm not sure if your using a V1, but I've had a very good experience with this Savvy:
https://store.valentine1.com/store/closeup_20220.asp
It is super easy to wire, and you can have it auto-mute to a certain speed (if you live in the city for example). I have it in both of the cars at this point.
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2020 X3M Competition
991 911 Carrera GTS
Previous BMW:
2016 X5 M-sport 50, 2013 M6 AW/Black, 2012 X5M AW/Black, 2011 M3, 2008 335i, 2006 M3, 2008 335i, 2002 M3, 2002 330ci, 1997 M3