For anyone following this thread that has an iPhone, I tracked down a ZBOX that came last night. In a word it’s amazing, it works flawlessly & the interface between your head unit & your phone are seemless. I did purchase the recommended powered usb hub, but the one I got was defective & wouldn’t power on so I tried it without it & it’s been working perfectly without it. It’s a great way to get CarPlay in your BMW. The ZBOX also works with Android phones.

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Current vehicles
2001 325XI
2006 X5 3.0
2004 X5 3.0