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      01-15-2014, 09:11 PM   #1
Alex_bm
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Excessive cam gears noise

Hi folks!

Got a quick question.
I know that cam gears make that whiny noise. It was very subtle when I first got the car. Now at 6000km the noise is much more pronounced to the point that this is the only thing I can hear driving in first few gears at lower RPM's.
At highway speeds no issue.

I am wondering whether it's normal for this noise to get louder over time (break-in). Are there any factors affecting it, such as outside temperature, etc?
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      01-16-2014, 11:17 PM   #2
Alex_bm
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No one?
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      01-16-2014, 11:34 PM   #3
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Hard to tell from your description. Check the power steering fluid level. I had a loud, roaring noise when the car was cold that was due to the power steering fluid level.
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      01-16-2014, 11:37 PM   #4
tinman831
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Not sure if this is your case but when I first got my car at 35k I noticed that it whined quite a bit more than my e46M. From what I gather, it's normal.

http://www.m3post.com/forums/showthr...ighlight=whine
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      01-17-2014, 08:48 AM   #5
Alex_bm
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I would not be alarmed in case it was consistent.
Will try to record it.
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      01-17-2014, 08:58 AM   #6
SenorFunkyPants
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Not the transmission?
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      01-17-2014, 09:01 AM   #7
Sean05
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try changing your fluid... thats always the cheapest alternative before pulling everything apart.
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      01-17-2014, 09:41 AM   #8
Alex_bm
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Quote:
Originally Posted by SenorFunkyPants
Not the transmission?
It comes from the cams
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      01-17-2014, 09:41 AM   #9
Alex_bm
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Quote:
Originally Posted by Sean05
try changing your fluid... thats always the cheapest alternative before pulling everything apart.
You mean power steering fluid?
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      01-17-2014, 10:09 AM   #10
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Do a search on power steering fluids and see if others' description sound like yours. That's how I figured it out for me. Every time I took it to the dealership the sound was gone. It was probably because the fluid was warmed up and circulated. Just a thought, it might be something else.
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      01-17-2014, 04:30 PM   #11
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The cam gears do make some noise. I've had a few people ask me if the car is supercharged due to the cam gear whine.
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      01-17-2014, 09:03 PM   #12
Alex_bm
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Quote:
Originally Posted by M3PO
The cam gears do make some noise. I've had a few people ask me if the car is supercharged due to the cam gear whine.
Guess every car is a bit different
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