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BMW 3-Series (E90 E92) Forum
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Need help! (videos) Weird sound identifications. loud, out of no where!
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| 08-25-2017, 03:47 PM | #1 |
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Heavy footed!
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Rep 71
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Need help! (videos) Weird sound identifications. loud, out of no where!
CLOSE.
Last edited by greyshadow; 10-06-2017 at 02:12 PM.. |
| 08-26-2017, 09:47 AM | #2 |
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Captain
 
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Rep 870
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Drives: 2009 335i E90
Join Date: Jan 2017
Location: Fremont, CA
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Sounds like a vacuum leak to me, incoming air whistling by a loose fitting somewhere as RPMs increase.
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2008 E61 535xi Sport Wagon / 100k Miles / Deep Sea Blue Metallic / Natural Brown Interior / MHD Stage 1 91 CA-Octane Tune.
SOLD - 2009 E90 335i M-Sport Sedan / 143k Miles / Alpine White Exterior / Chestnut Brown Interior / Mishimoto FMIC / xHP Stage 2. |
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