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Engine Malfunction : Low Power
I got this error message today. It is a 2012, 30K miles, X5M, I fill up at shell always, but I have filled up a couple times from a different shell and i noticed that when i fill up there the MPG drops significantly, like from 13MPG to 8-9MPG. I don't drive it hard, every once in a while in M mode. Anyone help? This has got me really worried :/ When this happened i was going about 25, and the car just got really shaky, some weird ringing noises etc...
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