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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > Interesting sound what could it be ?



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      02-16-2025, 02:09 PM   #1
bm1225
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Interesting sound what could it be ?

Hello all I have this weird rattling sound , to my dismay I’m a little worried it might be my vanos bolts that go to my cams, I have no check engine light nor any performance issues the only ones I do is my low idle but I’m not sure if that has anything to do with it , any ideas ? Thank you all!

have a listen
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      02-17-2025, 01:00 PM   #2
Cloverdale
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Auto stethoscopes are cheap to purchase to help pinpoint the noise.
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      02-17-2025, 01:07 PM   #3
crrraaig
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+1 for the stethoscope. Remove the engine cover and see if you can pinpoint it. Seems to be louder by the intake manifold - the two DISA's on my '06 330 made quite a racket before I replaced them and they live inside the intake manifold.
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      02-17-2025, 05:39 PM   #4
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Ok thanks guys I just bought a stethoscope , I’ll keep you guys posted , and also i don’t think
My intake manifold has disa flaps as it’s a 325i but nevertheless I’ll keep you all posted thanks !
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