I can get my i4 to pair with my '04 just fine, but none of the incoming numbers display on my nav or the display between the gauges. And what does display on the nav screen has a bunch of gibberish mixed in with the names and numbers. It voice dials just fine but won't recognize dialing by voice tags. What am I doing wrong? It all worked just fine with my old Razr and Blackberry.

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'04 E53, 4.4 Sport
'97 E39 528i
'86 911 Carrera, track car
'96 BMW R1100R