Thread: fuel pump
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      01-01-2013, 10:41 AM   #3
Drives: 2011 750Li, Alpine White
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Originally Posted by SamS
Well, they think they solved it. I don't remember BMW claiming they found the definitive cause. I think they kept hardening the HPFP from a design and manufacturing process until the failures decreased.

Do you recall a definitive "aha" moment, as to the root cause of the HPFP failures, because I don't.

I think this is an important distinction. Yes, there are markedly less failures. But, I don't think the cause is fully understood.

Please correct me if I have this wrong.
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