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      10-15-2018, 01:40 AM   #1
gaohaibo317
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Sport Exhaust System

Does the M Sport Exhaust System have a valve to control the volume or it is on making noise all the time?
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      10-15-2018, 08:32 AM   #2
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Hard to say because there isn't much information out there, but I've seen videos of other BMWs with the M Sport exhaust where the vehicle is switched from comfort to sport mode and you can hear a "click" right as the exhaust note changes. Whether that is the flaps opening I'm not sure but that would seem to make sense.
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