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      01-09-2013, 06:05 PM   #89
TX135i
Second Lieutenant
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Drives: 2012 135i Coupe DCT
Join Date: Feb 2012
Location: Florida

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Hmmm....I'll try this in the next day or so and see. It seemed quieter at first, but seemed to be normal the next day (maybe I was just being overly sensitive when I picked it up). I ordered the Berk Street and installed it a few days later so it sounds different now anyway.

One thing I have noticed with the Berk though is that the sound increases for a split second right around 2K rpms, then returns immediately to the previous sound level. I'm talking about during smooth acceleration, normal driving, not nailing it, it just gets louder then goes back to normal. Hard to describe. Like a "oooooooOOOoooooooo"
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