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Old 06-21-2012, 09:36 PM   #11
Registered User
Join Date: Jan 2012
Location: Londonderry
Posts: 280
My Ride: 04 325xi
YES that's like the noise I hear! It's somewhat metallic. I HATE it.
That's the exact noise.

I've never noticed it before, (never really drove with windows down until recently)

But I do have a K&N drop in filter, and I did mod my airbox, with a 3" pipe going down to the bump scooping in the air.

The last set of revs in the video, demonstrate the whistle noise I hear perfectly.

Now.. As it's the most annoying noise ever, because while driving, to keep a constant speed, where the pedal rests, the noise is created.

And is there any way to fix this?
Because the noise is killing me. lol

Last edited by mattfarrington; 06-21-2012 at 09:37 PM. Reason: Timing Belt...
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