Quote:
Originally Posted by Bills Oil Company
Does anyone know the major differences? The CA I talked to said the standard system is made by Harmon Kardon, but without the name plates and the only major difference is that the upgraded system has premium Logic 7 surround-sound. I find this hard to believe. Just trying to understand the spec differences.
Edit: Title should say standard "hifi"
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Looking at the technical docs that user ynguldyn provided (
https://g05.bimmerpost.com/forums/sh....php?t=1563063) here's what I see.