Thanks for all the responses !
I think I got my answer.
Quicksilver you're right, I'm never gonna use the outdated navigation and the iPhone is so much easier to use..at this point I guess only the Dynavin will actually be worth it.

TMV-I'm pretty much wanting a screen for aesthetic reasons nothing else.

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2006 X5 4.8is LeMans Blue / creambeige interior
Prod.date: 2006-06-21