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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N47 and N57 Turbodiesel Engine / Drivetrain / Exhaust Modifications > Turbo noise f31 320d
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      01-23-2020, 07:33 AM   #1
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Turbo noise f31 320d

Can someone tell me if it is normal this noise from turbo? It is a turbo flutter that appears sometimes, not always. Only when engine is hot and about 1 time a week. Here the video: usually is more noise
https://www.dropbox.com/s/gxvig9l7ke...%2018.mov?dl=0
https://www.dropbox.com/s/jmek1fjcvo...%2058.mp4?dl=0
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      01-23-2020, 12:45 PM   #2
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sounds normal to me, bit of flutter, resonating
back through the intake pipes and airbox
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