09-26-2023, 09:08 AM | #1 |
New Member
2
Rep 11
Posts |
2018 BMW M2 MPE Vibrations/Rattle
Hey Guys,
Just picked up my LCI M2 last week, and noticed that there is a very annoying vibration in the exhaust at idle, as well as horrible vibration/resonance on the highway at like 1600-2000rpm, attached is a video demonstrating this. I have read all the threads about it being the tips, or being the midpipe clamp, but it makes the same sound while the tips are off, and the midpipe had solid clearance over the brace. If I adjust the exhaust hanger slightly, it changes the rpm at which it is vibrating at which is very odd. Any ideas? Thanks! Rattle Video: https://www.kapwing.com/w/zaza7zWBGk |
09-26-2023, 05:57 PM | #5 |
Second Lieutenant
137
Rep 249
Posts |
Mine had cracks around pipes and box connecting area. I'd suggest take a good look.
After welding, rattling/vibration gone. Still strong after 10k miles. |
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09-26-2023, 07:41 PM | #6 |
First Lieutenant
221
Rep 315
Posts |
I had this same issue after a run on the highway. Looked at cutting it open to reweld it. But now I'm looking at doing a custom race exhaust with bigger midpipe.
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