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      07-04-2020, 04:37 AM   #4
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Drives: 2016 F13 M6 Competition
Join Date: Apr 2020
Location: San Antonio, TX

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Originally Posted by FullThrottle View Post
if its the M performance Akra, it should be covered regardless if it was bought with it stock or not.
Sounds like the exhaust flap(s) rattling. I have aftermarket akrapovic exhaust too, purchased used (2016) M6 & heard this nasty sound from exhaust. after lifting the car & examining the exhaust, I was able to disconnect the little ball joint(actuator) threaded arm (tightened it) & now I hear nothing but that beautiful exhaust note! if your exhaust looks like this, the area in red is where I noticed play (as compared to the other side with no play & no rattle). The arm just pops right off at the ball joint. I then adjusted the green area (outward in my case) untill I had no more rattle.
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