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Hi I have a 2011 Panamera 4 (CPO) that has a loud, high pitched whine or whistle at certain speeds (between 55-63 and again between 83-90). The whine/whistle is coming from behind the front center console area and is louder in the 83-90 speed range. The noise doesn't go away after taking my foot off the gas, it might change in pitch a little but it doesn't go away. My wife drives clients around for business and the whine/whistle has been mentioned by her clients during the drive. We can't keep driving this expensive car with this distracting whine/whistle. To us the noise is like fing