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3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

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Old 08-02-2004, 04:47 PM   #1 (permalink)
Join Date: Aug 2004
Posts: 2
Cronk325i is an unknown quantity at this point
What's up everyone? I'm new to the board here.
I just wanted to pose a technical question to see if anyone has any input.

I have an '01 325i (39k) and I have been hearing this weird noise the last week or so. I hear this high pitched whine coming from the engine when I accelerate or rev the engine. You can't hear the noise when the car is ideling, but give it a little gas and it's there. I have read all kinds of posts about similar noises, but can't seem to pin point it. My local BMW dealer hasn't been of much help either - I get the same ol' "it's a quirk" or "we can't seem to pin point it".

Has anyone experienced something similar? Some ideas I thought of were: alternator, waterpump, belts...

Any imput is appreciated.

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