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| 09-29-2014, 11:56 AM | #1 |
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Second Lieutenant
 
5
Rep 229
Posts
Drives: 135i.N55.6SPD.M-SPORT
Join Date: Dec 2011
Location: Arlington, Va
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HELP base stereo coding
My car came with the base stereo. (No amp) I had my BMW dealer change my HU to tophifi. My sound got really quiet. I then installed an aftermarket system but it only brought me back to factory loudness. Should I go back to base or HiFi or leave it tophifi?
I installed 2 Rockford 250x4 amps and focal tweeters/mids and Rockford rears and SWS8 sub's. Stock HU. I am also experiencing some feedback/hissing from the rear/mid/tweets even when the radio is off. Has anyone had experience with ground loop noise isolators?
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TauK-n Tky 1. at a time///
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