Yeah I think it's wishful thinking...
I wish it was posible to integrate an after market head unit properly...
So that you could still get basics like time/date on the dash, song name on the dash (intravee I know), maybe some navigation data and also Bluetooth functionality on the dash.
So far the new parrot asteroid interests me as I can then have integrated tomtom!
But then you still loose so much....

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X5 2001 4.4i E53