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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. is the premier BMW Forum on the internet. Registered Users do not see the above ads.
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Old 03-05-2009, 12:06 AM   #1 (permalink)
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car making noise after 30 mins

i drive a 2001 330ci and i just noticed (cuz i have music blasting all the time) that after about 30 mins of driving or idling for a while, that my car makes this high pitched sound (it doesnt sound like metal) and the more i press the gas pedal, the louder that sound gets. I'm thinking it has something to do with how hot my car is because it doesnt make that sound when i start my car. What could be causing this?
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Old 03-05-2009, 02:25 AM   #2 (permalink)
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I would say open the bonnet and try and find where the noise is coming from, that will give us a better idea what it might be.

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