BMW M3 Forum (E90 E92) - View Single Post - Strange Resonance at constant 72-73mph

CanAutM3 · 04-23-2012, 03:01 PM

Could be exhuast sound and tire/road noise getting close to the same frequency. This can cause a "beating" sound when the frequencies are close but not exactly matched.

04-23-2012, 03:01 PM	#9
CanAutM3 General 21121 Rep 20,741 Posts Drives: 2021 911 turbo Join Date: Jan 2012 Location: Montreal iTrader: (1) Garage List 2022 Audi RS6 [10.00] 2021 Porsche 911 turbo [10.00]	Could be exhuast sound and tire/road noise getting close to the same frequency. This can cause a "beating" sound when the frequencies are close but not exactly matched.
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