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      02-05-2013, 01:28 PM   #5
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Drives: X1 x28i; 128i; S2000
Join Date: Jul 2010
Location: Orange County, CA

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This is an upgrade to the base audio for vehicles sold outside of the US (which don't even get tweeters). Only the 2010 3-series base models got this base audio. We have HiFi upgrade standard in the US and H/K is another step up.