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Discussion Starter · #1 ·
I apologize in advance for re-posting what has been covered before, however all the answers I am finding are from well before the sirius/xm merger and I want to verify my thoughts:

I have a 2007 b9t w/nav (if it matters) and from what the older posts say, this car is only compatible with the XM unit if you want it OEM installed (in other words, not a removable aftermarket sirius/xm unit that you can put in any car) -- H621SXA000 is the part number I found that would work for this car. Now if this is technically an XM unit does this mean I only can recv. limited programming, or does this mean that now after the sirius/xm merger it does not matter what the car originally was manufactured to use and you just need to have one or the other in your car to get the same exact programming? :confused:
 
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