sooooo silly question, but since my beautiful X5 (04/05 build date) did not come with the BT module, can I just buy it, plug it in and have it working or are there more parts involved?

I just realized I'd need the factory mic too. I don't recall if I have that when I took the console down when removing roof liner. nuts.

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I swear, my cars are like a girlfriend.
Sometimes its a rough ride, sometimes its smooth motorin'.
Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves.
BUT at the end of the day, she loves it when I am inside her.

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'91 850i
'05 X5 4.4i
'09 Clubman S