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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 > Need to test for boost leak, question?



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      04-13-2017, 09:58 AM   #1
arhoads335i
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Need to test for boost leak, question?

Hey guys i have a boost leak I hear at WOT around 3000rpm but at like 3/4ths i don't hear it. I have stock charge pipe, 7inch vrsf, intercooler, dps, full exhaust jb4 mhd. If you guys have any ideas that would be great but I plan to pressure test it soon from the hot side of intercooler. What size pvc pipe top would i need to do this?
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