I'm trying to hook up my portable sirius to my new countryman. If I plug it in through the aux plug will it play through there? I had the old cassette adapter that you would tune to a certain station to play in my old jeep so I need to find the aux plug if it's that easy.

 

That's how I have my XM radio hooked up in my MCS - through the aux plug.

 

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Yess