As for your Bluetooth question, I don't recall the actual date, but X3s with a production date prior to 10/2004 (I think) do not have Bluetooth. The production date should be on the sticker on the driver's side door. It can be retrofitted, but at a cost. It's cheaper (obviously) to just get a Bluetooth headset.

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I'll drink your poison if you fill the cup. You make me crazy, baby, don't let up.
Break Free, DMB 2006