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      11-12-2012, 04:51 PM   #866
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Drives: 335d M Sport
Join Date: Aug 2012
Location: Kent

Posts: 9
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I have fitted the alpine kit to my car and also coded it to hifi but one thing I notice is the bass is massively reduced after coding?

I have the pro unit and have fitted the same kit to my mates car but that has the Idrive and after coding that the bass is reduced a bit but nothing like mine.

I did switch the amp to 1 and there was a slight increase but not much. Any ideas?
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