Thread: M5 Competition question???
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      10-24-2019, 03:51 AM   #104
UC
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Drives: F90
Join Date: Oct 2019
Location: UK

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The valves definitely open and close so this is not the issue. I would say the exhaust isn't any quieter or louder but is actually beefier/deeper in tone than pre iDrive 7. The pops/bangs/burbles have been totally removed though.
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