Mine was replaced at 7.5k, and now fewer than 1,000 miles later I've had two episodes of "non-start"; when the car turns over and dies immediately after pushing the starter button from a cold start. This is exactly the symptom that preceeded the first failure (until it completely crapped out and went into limp mode) as well as the three failures I had on my '07 335i coupe, in 32k miles. Each time I had the hpfp replaced in the 335i I was told it had a new part number, new design, blah blah blah. I didn't expect such an early failure in my 1M, but once it did I knew it wouldn't be the last. It's very disappointing to say the least. I've changed the fuel pumps more often than the engine oil in the last two new BMW's I've bought, and as much as I love these cars that's just not acceptable to me.
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