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      01-10-2012, 11:34 PM   #20
xDrive35i
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Drives: Porsche Macan S
Join Date: Feb 2011
Location: Chicago

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So I tried this and it didn't seem to do much. I barely notice anything. Maybe it's because I tend to drive a bit harder so I'm not in the low range very often. The only truly discernible difference is that now I can no longer hear the valve opening at 3000 RPMs, nor can I hear it when I shut off the car.
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