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      07-24-2018, 07:25 PM   #4
Nexus313
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Drives: 2016 BMW 340i 6MT
Join Date: Aug 2015
Location: Toronto

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Never got the 30ff after that, My theory is that it's because my cat converters are done and they are sending excessive back pressure up into the turbos.. My engine also runs hotter than usual and I get the 29F4/29F5 code with OEM cats.
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