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      07-07-2010, 04:59 PM   #5
niknik
Private First Class
Portugal
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Drives: X1 23d
Join Date: Apr 2010
Location: Portugal

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Quote:
Originally Posted by kumiorava View Post
Hi!
When I first entered the highway I noticed a whirring/whistling sound coming from the front end both sides. it was really hard to tell where it came from.

I found out it was the air conditioning/the manually adjustable air flow vents that made the noise, in other words, when I tried different positions from min to max in air flow into the cabin, the noise went away occasionally.

Now when I drive the car I haven't noticed the noise anymore. Strange thing but I am happy at least now!
I'm getting the exact same "whistling" noise!
(I couldn't test it very much, because it only happens at around/above 180Km/h - not a very legal speed.)

However, it seems to happen everytime I go to that speeds.
I too suspected it's the air pressure in the airways making something vibrate in high pitch; all I tried was turning off the AC (I always have it in AUTO mode) but the whistling continued.

I'll try it again, going from min to max A/C... but this is definitely something we cannot accept from BMW. Don't they even try it any more? Airflow problems in this day and age, in a 204cv car (23d)? Very very annoying!
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