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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Moaning Noise coming from N54 Engine (On and off...) What could it be??



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      09-14-2012, 10:14 AM   #23
import36
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i get this sound as well.....had it with both Cobb and Procede so it's not tune specific. and as folks say.....it's intermittent....but pretty annoying to be honest.
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      07-11-2013, 08:50 PM   #24
914kid
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Hey I have this noise as well WTF is this. Drove me NUTS I heard it for the first time when installing my HID fogs. Starting the car it doesn't come until you rev it and after that its so annoying.
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      07-14-2013, 08:37 PM   #25
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Quote:
Originally Posted by 914kid View Post
Hey I have this noise as well WTF is this. Drove me NUTS I heard it for the first time when installing my HID fogs. Starting the car it doesn't come until you rev it and after that its so annoying.
Never could identify the source... but it never caused a problem (that I know of)
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