BMW 3-Series (E90 E92) Forum - View Single Post - getting 30FF check engine light when I go over 100mph

TrollToll · 11-06-2015, 05:30 PM

There are literally dozens of threads on this. It's always the same solution. Vacuum lines and boost leak (or DIY smoke) test. There's no magic answer.

11-06-2015, 05:30 PM	#3
TrollToll Banned 654 Rep 946 Posts Drives: 535i Join Date: Sep 2015 Location: Texas iTrader: (0)	There are literally dozens of threads on this. It's always the same solution. Vacuum lines and boost leak (or DIY smoke) test. There's no magic answer.
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