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      01-10-2019, 05:43 AM   #3
Dinan-M
Dinan-M
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Drives: 2018 M5
Join Date: May 2012
Location: Arlington, VA

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Quote:
Originally Posted by Bobby_Drake View Post
https://www.ecstuning.com/b-ecs-part...923ecs01-01~a/

Curious if anyone here has done this. Seems like a simple mod that can be reversed if the sound is not to your liking.
Why not just unplug the flaps on exhaust for free? Save yourself $200
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