Quote:
Originally Posted by Poiseuille
Well, exactly what you described happened to me twice: once in a Z3 and once in a 540i, both times it was the gas cap, both times after someone else filled the tank and both times I got a CEL. With the Z3, it was several days before the CEL came on. Understand you got no light, but betcha it was the gas cap.
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was the gas cap not closed properly or was there an issue with it? I am the one who fills gas only and i close it tight every time and double check it