Thread: Tying off exhaust valve flaps....also, do they ever open 100%?
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      03-23-2024, 07:54 AM   #31
bimmerdz
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Drives: M850i Sunset Orange + M Carbon
Join Date: Mar 2021
Location: Switzerland

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Just completed the flaps mod ( 203 & 218) on a M850i and boy oh boy !!! even in ECO PRO you can hear the exhaust sound which is a bliss ... who needs music now that I have a symphonie !!!
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