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Originally Posted by Josue335i
If my car has only the bluetooth option, can I just add the cable for the usb or I have to change everything? 2007 bmw coupe 335i
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Totally different configuration if you have a circa 2007 HU. cheapest would be to do a 6FL retrofit. There are other threads on that topic.
You could also buy this HU and sell your old one.