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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 03-07-2010, 08:02 AM
lanlado lanlado is offline
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Location: Ann Arbor, MI
 
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Mein Auto: 2001 BMW 330i
Engine Sound Problem

Hey guys,

I noticed lately that the sound of the engine is unusual, it's kinda high, I don't think it was like that a couple of months ago. It might be coming from a worn out belt but I'm not sure.

anyone has an idea of what's going on with the car, or why the engine sound is high?

I was thinking about taking it to the dealer to see what's going on but I though I can ask her first.
Your help is very appreciated.
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  #2  
Old 03-07-2010, 08:14 AM
B/\/\W's Avatar
B/\/\W B/\/\W is offline
Monacoblau mit beige
Location: England
 
Join Date: Mar 2007
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Mein Auto: '07 E92 330i Manual
Can you post a video to YouTube so that the members here can hear the sound? That will make it a lot easier.

Do you mean you have a high idle speed, or a high pitched noise that sounds distinct from the engine?
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'07 330i SE coupé
Monaco blue - 35k miles - manual - N52K 262hp, 232ft-lb

18" alloys - Sport seats - "Professional" Navigation - Bluetooth - DAB tuner - Extended interior light package - PDC
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  #3  
Old 03-07-2010, 08:20 AM
lanlado lanlado is offline
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Location: Ann Arbor, MI
 
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The idle speed is good, but it sounds like a high pitched noise.

I think you're right; it's much easier with the vid; I'll work on it. Thanks.
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  #4  
Old 03-07-2010, 08:34 AM
mujjuman mujjuman is offline
tappa tappa toit
Location: NY
 
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from your description, it sounds like its your belts/pullies.

btw Ann Arbor is so freakin fun. I've been there twice to party and WOW mad hott chicks.
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  #5  
Old 03-07-2010, 10:10 AM
lanlado lanlado is offline
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Location: Ann Arbor, MI
 
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Mein Auto: 2001 BMW 330i
Here's the video : .

I tried to move around because I could hear the pitched noise clearly from the driver's side but it looks like that didn't work that well in the vid.

Please take a look and see if you can diagnose what's wrong with it and how to deal with that.

Thanks in advance
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  #6  
Old 03-07-2010, 10:16 AM
mujjuman mujjuman is offline
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I dont hear any odd noises...

was the noise present in person during the filming and the camera just didnt capture it?
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  #7  
Old 03-07-2010, 10:49 AM
lanlado lanlado is offline
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Location: Ann Arbor, MI
 
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in person you can hear it clearer, but I mean even the sound that you hear in the vid, I remember it had a smoother sound than this one.
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  #8  
Old 03-08-2010, 10:26 AM
B/\/\W's Avatar
B/\/\W B/\/\W is offline
Monacoblau mit beige
Location: England
 
Join Date: Mar 2007
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Mein Auto: '07 E92 330i Manual
I think I can hear what you mean, from the vid it sounds like a whistling belt noise, but if you put your head by the belt and it's separate from that, I'm not sure what else it could be.
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'07 330i SE coupé
Monaco blue - 35k miles - manual - N52K 262hp, 232ft-lb

18" alloys - Sport seats - "Professional" Navigation - Bluetooth - DAB tuner - Extended interior light package - PDC
Heated front seats - Beige Dakota leather - Dark grey poplar trim - Anthracite headliner - Advanced loudspeaker system

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