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Weird noise E43 M276

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Old May 29, 2025 | 02:40 PM
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Weird noise E43 M276
Hey guys i know that my motor never made this noise. It recently came up, I had a code for rail pressure sensor voltage exceeded. I took my car to a shop they cleared the code, but couldn’t recreate it. On the way to the shop my car was acting very weird. Do y'all know what this noise is?
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Old May 29, 2025 | 07:33 PM
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Originally Posted by e43__
Hey guys i know that my motor never made this noise. It recently came up, I had a code for rail pressure sensor voltage exceeded. I took my car to a shop they cleared the code, but couldn’t recreate it. On the way to the shop my car was acting very weird. Do y'all know what this noise is?
Strange sounds like a helicopter taking off, do you happen to notice which side is louder? Sounds very much like vibration causing the engine cover to vibrate.
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Old May 29, 2025 | 07:39 PM
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Am I hearing the right thing? Obviously the injectors are supposed to be loud, what sound are you specifically concerned about? What what timestamp?
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Old May 29, 2025 | 08:17 PM
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Originally Posted by W205C43PFL
Am I hearing the right thing? Obviously the injectors are supposed to be loud, what sound are you specifically concerned about? What what timestamp?
Kinda how it sounds like a lawn mower it’s along side the injectors there’s like an extra noise. watch another c43/e43 engine bay it’s just injectors clicking and mine is injectors plus a lawn mower type of sound.
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Old May 29, 2025 | 08:50 PM
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Originally Posted by e43__
Kinda how it sounds like a lawn mower it’s along side the injectors there’s like an extra noise. watch another c43/e43 engine bay it’s just injectors clicking and mine is injectors plus a lawn mower type of sound.
Where about in the engine bay is the loudest?
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Old May 29, 2025 | 09:47 PM
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Originally Posted by W205C43PFL
Where about in the engine bay is the loudest?
Honeslty i can’t tell it’s just the general motor area. I was told it might be an exhaust leak since i recently got catless downpipes put on and the clamps get loose sometimes.
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Old May 29, 2025 | 10:20 PM
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Originally Posted by e43__
Honeslty i can’t tell it’s just the general motor area. I was told it might be an exhaust leak since i recently got catless downpipes put on and the clamps get loose sometimes.
Clearly not wastegate rattle. or is it?
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Old May 29, 2025 | 10:21 PM
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https://static.nhtsa.gov/odi/tsbs/20...02533-9999.pdf
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