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03-05-2013, 03:51 PM | #2 |
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hi i know u posted last year but just joined and read this, i have a k&n on my 120d if you have not already put one on it makes a deeper tone when u get over 2500-3000 rpm before that it hisses alot from all the turbo noise the sound doesnt bother me much it makes the car alot more responsive in my opinion.
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03-23-2013, 11:51 AM | #3 | |
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Quote:
I had one on my last 123d and i didnt hear a deeper not on acceleration but it did feel more responsive definately. You can also hear the wastegat hiss when you let off the throttle. A good upgrade!
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AW 2009 135i, BMW Performance front bumper & side skirts, BMW Performance Carbon mirror caps, BMW Performance gloss black kidney grills, BMW Performance exhaust, BMW Performance 269 alloys, Toyo Proxes sport tyres
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