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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 is shot



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      03-08-2013, 10:06 PM   #1
importmodz
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Turbo is shot

Hey guys so my turbo is shot and fortunately I am covered under CPO but I was wondering if I can get some insight. I just got my walnut shell blasting service done thanks to Helix ! So one day I decided to go WOT on an interstate and all of a sudden I felt no boost at all and the CEL light came on with a code of 30FF. So I got out of the car and checked everything to make sure nothing was loose. Once I got home I decided to take my charge pipe and noticed a bunch of oil in that pipe which is unusually more than it should have. After checking all vacuum lines and intercooler to charge pipe connection, everything seems good. So I decided to make an appointment to go to BMW and just found out today my turbos are gone and they will be replacing both under CPO warranty (thank god). So my final question is basically my recent walnut shell blasting service gone to waste because of the excessive amount of oil traveling through the chargepipe due to maybe a turbo seal leak? If so should I demand BMW to do the intake valve cleaning as well because of that?

Any insights will be appreciated
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      03-08-2013, 10:19 PM   #2
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liquid oil would not cake the intake with carbon in that short of a time period... just oil.

what you will need to do is have the intercooler drained
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      03-09-2013, 07:37 PM   #3
importmodz
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Ok if that's the case some seafoam should do the work once I get the car back. Would it make sense to just get a bigger intercooler rather than draining it?
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      03-09-2013, 07:57 PM   #4
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Quote:
Originally Posted by importmodz View Post
Ok if that's the case some seafoam should do the work once I get the car back. Would it make sense to just get a bigger intercooler rather than draining it?
That's what I would do. I didn't see where you listed any mods so I'm assuming you're stock, but even on a stock car an upgraded FMIC is a great mod.
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