So I got it back on Thursday and unfortunately the BT isn't producing sound. It connects ok and does stream, but no sound. To the guy's credit, he's sending another to me to replace it with, so we'll see how that goes. All speakers working again so happy with the results. Only weird thing is that when I turn the car on from cold, the radio defaults on AM 531 regardless of what I was listening to when I turned the car off BUT it does keep the stations in the memory - weird.

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2005 X5 4.4i Sport Sterling/Black