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BMW 3-Series (E90 E92) Forum
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Pulsating/Oscillating turbo sound
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08-15-2021, 04:19 PM | #1 |
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Pulsating/Oscillating turbo sound
Has anyone experienced this pulsating/oscillating turbo sound before? It almost sounds like the diverter valve has failed and will not hold the boost. I just noticed it a few days ago along with noticeably louder BOV sounds
2011 335i xdrive with ~ 164xxxkm. Motor is stock apart from a VRSF charge pipe. Stock tune as well. See below video |
08-15-2021, 09:53 PM | #2 |
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Drives: 2008 BMW 335i
Join Date: Nov 2019
Location: Scarborough, ON, Canada
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'08 335i AT Titanium Silver | MHD Stage 2+ (91 oct) | xHP Stage 3 | VRSF FMIC [7.5"] | BMS CP + Tial BOV | VRSF Catless DP | VRSF Exhaust [Street] | BMS Dual Cone CAI | BMS Cowl Filters | Bilstein B8 Struts+Eibach Lowering Springs | |
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