Just installed my OEM aux input. I am disappointed in the sound quality though. Everything just sounds off while comparing CD to AUX with the same songs. I tried two different cables and it didn't seem to make a difference. Adjusting the equalizer on both the headunit and the phone helped, but it still sounds like the music is coming through a tunnel. I am charging my iPod to see if that makes any difference from my phone (Oneplus One).

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03 3.0i mt
89 325is