E46Fanatics - View Single Post - DIY: Intake boot replacement. No more whistle while accelerating
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Old 05-20-2010, 05:34 PM   #22
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Join Date: Dec 2009
Location: Florida
Posts: 2,267
My Ride: ///M3 Vert
Originally Posted by jdny516 View Post
not sure if you said this, but when you put in the new boot, you have to make sure the "tab" slips in correctly. Hope that makes sense?

Great Write Up
i just popped it on so it was snug and wouldnt come off if i pulled it. it didnt matter where the tab was that is on the bottom of the boot if thats what you are talking about...

but this mod works, it got rid of an annoying whining sound when normally accelerating... but i still get a high pitched screech like a turbo that starts at 5500 rpm and gets louder the higher the RPM when im flooring it, people ask me if my car is turboed all the time lol, i just think its embarrassing . i have a vacuum leak somwhere else, i need to find out where it is, im thinking its the upper intake hose, the rubber is no longer that soft, its become dry and cracked so im thinking theres not a good enough seal behind the MAF.

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