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      12-09-2010, 07:29 PM   #60
Technic
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Drives: 2015 320i
Join Date: Apr 2005
Location: Ft Lauderdale, Florida

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Actually, the Enhanced Premium Audio/Individual Audio has speed-dependent volume control and speed-dependent equalizing.

Technically this is a form of dynamic EQ based on speed. That also explains why it sounds lackluster at low volume and semi-decent at high volumes. And that's the reason I just ripped this sucker out of my M3 for aftermarket.