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      12-28-2019, 03:14 PM   #1
Uscray
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Drives: 2021 M2 Competition
Join Date: Dec 2019
Location: SC

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Check engine light after new dinan cold air intake

I installed a Dinan CAI on my 2015 m235 with no other mods except MPE. I bought the dinan intake because of all the reviews stating no CEL since I am not ready to install a tune. The CEL appeared on the second day after install. Car is running smoothly. The code was P0171 for running lean. Any ideas with what may be causing the error? I checked the connections and can’t find an air leak. Could this be something that resolves in a couple days after the ECU adjust? If not I may remove it until the N55 dinan flash tune is released.
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