whistling sound from back - BMW Forum - BimmerWerkz.com

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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post #1 of 3 (permalink) Old 04-25-2004, 11:54 PM Thread Starter
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Hi. I have a 2004 BMW 330Ci /auto(i know.. =(..) with sports package/premium package/18 in wheel package. I had it just over 2 month now. I'm getting weird whistling sound from the back of my car when I'm driving at about 85-90 mph. I can consistantly reproduce it by accelerating to about 90 mph then letting the accelerator go a little and slow down to 85mph ish. It's a faint whistling sound from back of the car. I'm taking the car in on wednesday. However, when i called the dealer they said the problem is they won't be able to reproduce it because they can't drive it over 65mph. Any suggestion on what the problem is?

A quick questions. I have over 2000 miles on it now. When should i get an oil change. Dealer said 15,000 miles but I feel kinda uneasy waiting that long for it. Thanx.
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post #2 of 3 (permalink) Old 04-26-2004, 03:57 PM
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I hear the same noise comming from the car when i'm doing a good 90 mph. It's really annoying...
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post #3 of 3 (permalink) Old 04-27-2004, 12:38 PM
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1... when you have a new car there is a thing called break in period not to drive 100 mph on new parts of car. the whining possibly is the differential i think there are issues with bmw and whining differentials mine does at at lower speeds sometimes not all the time.... As for your oil changes bmw use synthetic oil i change mine 1 a year at first i was apprehensive but i check my oil frequently and the car has not burned or i having to add any within a year. If you absolutly can't go with that regimine try 2 a year once in spring then in fall. synthetic oil is very good oil and can go many miles before oil changes. If you change more often than that i think you would be wasting your money my two cents worth

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