BMW 3-Series (E90 E92) Forum - View Single Post

DallasBoosted · 10-24-2012, 12:16 PM

From my 5 minutes of internet research 30FC is an "underboost" code, so look for leaks. Another guy had "bad wastegates" (assuming they wouldn't stay closed) and they were replaced which fixed the issue.

10-24-2012, 12:16 PM	#852
DallasBoosted Captain 38 Rep 864 Posts Drives: '08 E92 335i Join Date: Apr 2012 Location: Dallas iTrader: (3) Garage List 2008 BMW 335i [10.00]	From my 5 minutes of internet research 30FC is an "underboost" code, so look for leaks. Another guy had "bad wastegates" (assuming they wouldn't stay closed) and they were replaced which fixed the issue.
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