Wow both the Dynavin and the Avin look pretty serious. Not to mention they cost just as much as a decent Double DIN unit by Pioneer, Alpine, or the like but this one looks OEM. One thing I am interested to see is how one of these systems works in conjunction with the OEM OBC. I know they both mentioned OBC functionality but does the button on the indicator stalk become useless after installing it or can you still program and use it like before.

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2004 BMW X5 4.4i-Sports Package-Premium-140,000 Miles