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12-25-2012, 07:06 PM | #1 |
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Just add the Ar design DP on my 135i with N54. The car are crazy in speed.
But, when I push up the rev. , it got some "zu,zu......." sound from the middle of the car ( around the DP area.) in between 1700-2000rev. After 2000rev, sound is gone. Is it alright? Did someone get this sound after the DP changed too?
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12-25-2012, 07:11 PM | #2 | |
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Quote:
I remember getting my AR catless DP installed on my n54 and the turbos where definitely louder
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12-26-2012, 06:16 AM | #4 |
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Yes it's sound like vibration. Make this sound only in pushing the rev from 1700 to 2000. After 2000 rev. The sound is gone.
Try to make the video tomorrow
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2011 Z4 35is Alpine White DCT Alcon BBK KW V3 Supersprint Exhaust Procede
2008 135i Le Blue Alcon BBK JB4 Hartge Exhaust H&R Sway Bar M3 Suspension Forge DV Forge FMIC H&R premuim damper Kit |
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12-26-2012, 10:20 AM | #7 |
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could be vibrating off the body of the car....
there is so little room on each side that when you give it gas, the engine will tq, and cause the little room you have to touch the frame/body/tranny bolt. |
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12-27-2012, 10:14 AM | #8 |
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Try the ac on today. No sound have be make.
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2011 Z4 35is Alpine White DCT Alcon BBK KW V3 Supersprint Exhaust Procede
2008 135i Le Blue Alcon BBK JB4 Hartge Exhaust H&R Sway Bar M3 Suspension Forge DV Forge FMIC H&R premuim damper Kit |
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