My car still does it, my kid even busts me when I turn into a parking space and He'll say "Nice, you even got a "woooow" out of it!". It's become somewhat of a joke in our family. It only does it in colder weather, so by summer, it will be gone until fall. We have 50K miles now, car is two months shy of 6 years old and original brake pads.

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2007 550i, Sport Premium, Silver Gray Metallic, Gray Dakota, Navigation, Cold Weather Package, Comfort Access, Heated Rear Seats, HD Radio, Xenon

2007 X3, 3.0si ///M Sport Premium, Monaco Blue, Gray Dakota, Navigation, Cold Weather Package, Xenon

2002 X5, 3.0i Sport Premium, Titanium Silver, Gray Dakota, Cold Weather Package, Xenon, just a winter vehicle