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      12-22-2018, 04:29 PM   #1
mln
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rattle with partial throttle acceleration

anyone experience a metallic rattle between 3-4k at partial throttle? manual. in all gears and engine modes. stock. active sound design disabled. sounds like a loose heat shield or something. havenít taken to dealer. iíve searched and it doesnít sound quite like the parking brake rattle. see video for what iím experiencing.

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      12-23-2018, 09:40 AM   #2
M4Now!
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Quote:
Originally Posted by mln View Post
anyone experience a metallic rattle between 3-4k at partial throttle? manual. in all gears and engine modes. stock. active sound design disabled. sounds like a loose heat shield or something. haven't taken to dealer. i've searched and it doesn't sound quite like the parking brake rattle. see video for what i'm experiencing.

Couldn't hear it on your video. Mine has been making an odd rattle sound, almost sounds like detonation, but the car would notify on that. Dunno :
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      12-24-2018, 09:47 AM   #3
EvanZHP
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When it happened to me, I had the muffler warrantied out because it was 100% the valves in the MPE.
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