The AdvancedAutovations solution (which also owns/operates TVonNav) uses the BMW components (modules, mics, etc.) and couples it with their own custom harnesses that allow the vehicle to be rerofitted with BT.

I would suggest that you contact AdvancedAutovations and give them your VIN. They should be able to tell you what components you'll need and provide pricing.

As for sound quality, I find it to be quite good for a "handsfree" solution. Similar to what you get with a speaker phone.

:welcome: to X5world!!

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