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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 > Turbo flutter



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      05-25-2009, 12:57 AM   #1
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Turbo flutter

Does anyone have turbo flutter on their car? Is it normal?
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      05-25-2009, 01:58 AM   #2
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Quote:
Originally Posted by RyBMW View Post
Does anyone have turbo flutter on their car? Is it normal?
are you sure you're hearing turbo flutter? lol never heard that on a BMW personally...
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      05-25-2009, 11:35 AM   #3
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maybe he means compressor surge?
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      05-25-2009, 01:20 PM   #4
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I think it might be compressor surge. They both sound alike. It happens when engine braking.

If it is compressor surge, than it's the diverter valve that needs to be replaced, right? My first turbo car.
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      05-25-2009, 03:40 PM   #5
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check the bov..
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      05-25-2009, 06:31 PM   #6
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Quote:
Originally Posted by Diesel335i View Post
check the bov..
Don't have one.
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      05-26-2009, 12:12 AM   #7
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Quote:
Originally Posted by sd390r View Post
are you sure you're hearing turbo flutter? lol never heard that on a BMW personally...
The 135i owners seem to hear it on their cars.
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      05-26-2009, 10:23 PM   #8
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just because i've never heard it on mine doesn't mean it can't happen

would LOVE to see a video though lol
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      05-27-2009, 12:01 AM   #9
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Quote:
Originally Posted by sd390r View Post
just because i've never heard it on mine doesn't mean it can't happen

would LOVE to see a video though lol
Same here. On a 135i, 335i, or 535i just compare if it's the same noise.
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