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      02-13-2013, 07:39 PM   #12
Z K
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Drives: E90 M3, MK6 GLI
Join Date: Jul 2011
Location: San Francisco

iTrader: (3)

You definitely have the wrong speakers on your car. They installed Logic 7 speakers in place of the EPS speakers. They should all be yellow for EPS speakers.

Logic 7 is not available for the M3 in the USA. The Enhanced Premium Sound is what you have.