Difference in speakers between standard stereo in premium sound/navigation
The question: what is the difference between the actual speaker drivers between the standard stereo and the navigation/premium sound?
The backstory: I have 2 E53’s in the driveway. One is the wife’s with the basic stereo. The other is a flip car with the navigation premium sound but the head unit is broken. Depending on complexity I might put the wife’s basic stereo in the flip car and do an android upgrade in hers. But are the speakers/drivers different?
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