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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 > 30ff code only hot engine



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      05-17-2017, 09:45 AM   #1
Happys
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30ff code only hot engine

Dobrý den, můžete mi pomoci, prosím, proč mám 30ff kód pouze tehdy, když je motor horký není zima! Mám nové křemíku vacuun linky, boost solenoid, podíval jsem se na potrubí z mezichladičem účtovat potrubí a žádné chyby: Mad0259:
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      05-17-2017, 09:59 AM   #2
Donutz
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Hello, can you help me please why i have the 30ff code only when the engine is hot is not cold! I have a new silicon vacuun line, boost solenoid, I looked at the intercooler pipeline to charge pipes and no mistakes: Mad0259:

I would double check all those items you listed. Also look at the hard vacuum lines. Are your wastegates closing?
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      05-17-2017, 10:34 AM   #3
Happys
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Hard lines ? What do you think?wastegate i hope that closing but i think that wastegate was bad make the problem all time no only in warm

Last edited by Happys; 05-17-2017 at 11:37 AM..
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      05-20-2017, 11:07 AM   #4
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Doesn't the car target lower boost when cold? I've never tried, but you shouldn't be going wot until the engine is over 80 degrees Celsius preferably 90.

It could be that you have a control line collapsing under vacuum when it gets warm too.
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      05-22-2017, 08:20 AM   #5
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vakuum line is new
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