One of the most common reasons is that you

来源: 困惑呐 于 2009-10-11 20:41:51 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (253 bytes)

have left the gas lid open or loose. You can check if it seals well. It may take a few days for it to reset.

It might be also caused by a bad senser. Our BMW dealer told me not to worry to much about it. I had it fixed by the dealer any way.

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