If my 2002 540i does not have a gps system and i change the monitor to this one, does gps work ? I know that bluetooth and the rest work but does gps work if my car does not have gps originally?
>> Hi, if there's not factory gps system in your car our gps unit can also fit and work, as our unit has bluetooth built-in so I'm afraid our unit does not support another bluetooth device.
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