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I have no complaint about noise. I did a test yesterday using a handheld db meter.
2011 35i, 18" wheels, Pirelli Sottozero winter tires, panoramic roof, 65MPH, Normal mode, radio off, heating/cooling fan off, windows and roof closed.
Using the A weighting I recorded a maximum value of 68 over a 1/2 mile stretch of highway. Using the C weighting I recorded a maximum value of 97 over a 1/2 mile stretch of highway.
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