Wrongdoing Comparable Chemistry bmw standard speakers vs harman kardon bad Make it heavy Ancient times
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I have the Harman Kardon sound system. Is it worth upgrading?
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Older Chassis (E36, E38, E39, E46)
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Premium Audio Speaker or Standard? Pulled the door panel to track down and fix a rattle and the speaker looks like a regular low quality OEM. Is it HK or not? :
Unlocking your BMW sound system | Harman Kardon vs Audison - YouTube
I have the Harman Kardon sound system. Is it worth upgrading?