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      09-24-2013, 06:53 PM   #47
EliteM3
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United_States
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Drives: 2009 E90 M3
Join Date: May 2012
Location: Morgan Hill, CA

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I just installed a 2nd hand Dinan intake, and I was coming from a drop in AA green filter. What I hated about the AA filter was the rasp that Mr. Benvo mentioned earlier. I found with the windows down, I can't really hear the rasp I did before, however, with the windows up, it is still apparent, just higher in the RPM range. Mine kicks in closer to 4k RPM. It isn't as loud, but still there.

Slightly disappointing since the reason for the purchase was to have smoother & deeper intake sound.

I am sure it is night/day difference between stock and Dinan intake, but I can't get on the bandwagon with everyone else when comparing drop-in filter vs. Dinan intake.

Sure is pretty though.

Also, one more note, I notice that the filter touches the airbox housing in the front but noplace else. Did everyone elses install go the same? I believe it is installed right, and i played with angles/rotation, but wanted to be sure.
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09 Space Gray E90 M3 DCT: BPM (Stage 1, DCT and Servotronic) tune, Gintani Sport Exhaust, Dinan Intake
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