Quote:
Originally Posted by 1320racer
Good idea! Have tried but my scanner is to low end to test. I’m wondering if HPFP is failing.
Bosch Fuel Pump; HPFP on Engine
2013 BMW M5 4.4L V8 (S63B44B)
P/N: BS-13518604232
$131
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If ancillaries like the HPFP were moved from your spent PU as they probably were then it's possible that it may be failing.