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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 09-06-2012, 04:16 PM   #1
Registered User
Join Date: Sep 2012
Location: Belgium
Posts: 3
My Ride: E46 2001
Weird air blowing sound

Hi everyone, i'm new here and posted some pics of my e46 in the new member zone.

I'v got a problem with my 320d e46 from 2001.

Everytime I accelarate there is a weird "air blowing" noise comming from underneath the engine. But after 3000rpm I don't hear it anymore...just the turbo sound.
I heard from someone that it could be something on the turbo? a valve?

Other problems are: Black smoke, stuttering, loss of power (after 3000rpm the turbo kicks in). I'v cleaned out the egr and know that can cause the stuttering, but have to buy a new one, cause it doesn't work properly i guess.

I'v also bought a new maf that i have to put in

Thats sums it about up
but the main problem is the sound, does anyone know what it can be?

Thx in advance

Last edited by sedat-007; 09-06-2012 at 04:20 PM.
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