I had this problem in my August 2011 delivery three times in 3 months. After fuel pump change and telling me a variety of things they asked what fuel I use. I said petrocanada ultra 94 octane. They measured ethanol in
My fuel which came back at 15%. They said stop using ethanol containing fuel. Told me to switch to Shell 91. It's been 2 months since. Haven't had the problem. They said its the engines way 'to protect' itself from 'bad' fuel. I found it hard to believe that the most expensive high octane fuel is bad for my F10 but hey what do I know. So far so good.
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