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BMW 3-Series (E90 E92) Forum
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Rattling sound at idle
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01-25-2012, 09:06 PM | #1 |
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Rattling sound at idle
Ive had this sound while at idle for a little while now, usually only apparent while car is cold but its annoying.
Heres a video I took a while back, wasnt very loud but you can definetly hear it in the begining of the video. I didnt post it since the sound stopped but now it seems to have come back. Once i touch the gas it completely goes away..its weird Any ideas? |
01-25-2012, 11:16 PM | #5 |
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Well I know that if you have wg rattle. Put car in neutral rev to 5 k and when you let go of throttle you should hear the rattle.
Well this is only heard whil at idle, its weird. I have an even older video this time is was very loud. Please turn up volume since video was shot from my phone. |
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01-26-2012, 12:48 AM | #6 | |
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Drives: RB PWRED E90 N54 6MT
Join Date: Aug 2006
Location: Bellevue, WA
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Not the WG rattle for sure.
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01-26-2012, 11:07 PM | #11 |
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Gonna bump this one last time, I hope someone can help me out because I know I f I bring it to the dealer theyre gonna tell me they couldnt reproduce the issue...so anyone?
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10-15-2012, 09:39 PM | #19 |
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No, this noise is keeping me from installing it. At first I thought it happened with the A/C but now it does it all the time. It happens for about 5 seconds whenever I come to a stop and it goes away as soon as I start. The car also seems to make a faint squeaking noise at idle and I don't know if the two are related.
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10-16-2012, 02:56 AM | #20 | |
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- '08 6MT -Cobb v40? Sport ST (latest version 402/403?) lol - DCI - AE catless DP back exhaust w/ vibrant resonators (1792) - ETS 5" FMIC Running on stock DPs Do you have any mods to your exhaust? I started noticing the noise when I went to the AE exhaust. It started out as you said noticeable with the a/c but then now it's at a point where it's loud as eff all the time. I feel like it has something to do with the back pressure & how my worn out ass Wastegate actuator slop reacts to the OTS Cobb tune. FWIW- On that note I went ahead and uninstalled/unmarried the Cobb for a couple of days and the noise went away |
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10-16-2012, 03:05 PM | #22 | |
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