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      09-20-2015, 03:09 PM   #1
guldkareten
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N54 wastegate rattle.. mostly one or both turbos?

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I know this is a problem for almost every single N54 engine.

But is normally only one of the turbos having the problem, or both?

On mine it is only on the right/rear turbo (cylinder 4-6) that rattles. No rattle (so far) on the other one.

So my question is, have any of you had rattle problems with the front/left turbo (cylinder 1-3) ?
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      09-22-2015, 12:50 PM   #2
ErvGotti
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Rear turbo for me too, Adjusted the wastegate arm for it 4 months ago and so far so good (knock on wood).
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      09-22-2015, 01:07 PM   #3
Mike@N54Tuning.com
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If one starts the other is not that far behind. I don't think its isolated to one turbo usually.

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      09-22-2015, 06:06 PM   #4
psamtik
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Has anyone's rattle come back after the adjustment? God, that is such a pain in the ass.
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      09-23-2015, 08:09 AM   #5
guldkareten
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
If one starts the other is not that far behind. I don't think its isolated to one turbo usually.

Mike
Have you seen lots of this? And from your experience, how many rear and how many front turbo have you seen rattling?
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      09-23-2015, 08:10 AM   #6
guldkareten
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Quote:
Originally Posted by psamtik View Post
Has anyone's rattle come back after the adjustment? God, that is such a pain in the ass.
Is it your front or rear turbo rattling?
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      09-23-2015, 08:38 AM   #7
dm874
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Usually only one turbo is bad but BMW conveniently replaces both because they know the second one will give problems in no time
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      09-24-2015, 06:53 AM   #8
guldkareten
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Quote:
Originally Posted by dm874 View Post
Usually only one turbo is bad but BMW conveniently replaces both because they know the second one will give problems in no time
What just surprises me, is that almost no one have confirmed that also the front turbo was rattling, only the rear.. just that they have replaced both, now that everything was off, even though in almost all cases it was only the rear turbo rattling.
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