Drive it for a few days and see if it feels okay. If the CEL doesn't go away and it's running crappy, take it to the dealer. You probably still have a warranty. My 2011 35i threw a bunch of codes with CEL all week after a cold snap here in Toronto. Today, the CEL went away. Took it to a car wash and the CEL immediately returned! Not losing any sleep at the moment as the car is running really strong.
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