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5 GT whistle from vents
I got 5 30xd GT for about a year now and observed that it makes scratchy whistle from vents below freezing. Dealer upgraded software. It helped a bit, but not much. I assume it is different steering for the vents and blowers with new software. Anybody experiencing the same on GT (I have seen similair on regular 5), having solutions? Should software upgrade help?
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