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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 > Boost leak issue could it be A & A BOV?



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      05-21-2012, 12:06 PM   #1
vettegator005
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Boost leak issue could it be A & A BOV?

So ive had basically no boost for the past 3 weeks. I took it to a shop and they did a smoke test because doing some searching on here ive found its probably a pipe that has become brittle and cracked. Anyway they found no leaks but said the Active autowerks BOV was not holding pressure and could be the cause of underboost. Is this a common thing that happens? More importantly what other things can i check for a boost leak? Anything helps. thanks in advance.
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      05-21-2012, 12:24 PM   #2
E90SoFlo
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If they are saying its not holding boost, its not holding boost.

Log your car
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      05-21-2012, 03:33 PM   #3
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yeah its not that i dont believe them its just that i dont know what to do about that. do i just take it apart clean it out and hope it works again? what specific part "isnt holding boost"?
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      05-21-2012, 03:40 PM   #4
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Put your stock charge pope and dv's back in, and test again?
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