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I got these same codes when I was messing with my fuel pump. I would suggest you check fuel pressure at the motor. If the pressure is good then my next move would be to see what the indicated pressure is via diag computer. If these values are different then it's a sensor issue. If the values match, then it's time to go into the tank and replace the pump or clogged filter.
Also, when you say the car would not start was it just cranking for 15 seconds or kinda sputter and die?
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2009 BMW M5 STOCK
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