Tom - I have the XM/Blitzsafe module that I kept from my '04 E53, but I couldn't get it to work in the X3. BTW it's a non-Navi unit. I'm not wedded to either XM or Sirius (prefer Sirius though), just looking for satellite radio.

Brian - Thanks for the info. Interesting that BMW sells the module both ways.

Thanks guys!

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