Quote:
Originally Posted by TrackRat
The problem is not likely to be just the HPFP but a series of issues that causes the HPFP to fail. Several aftermarket companies have investigated a possible improved HPFP but nothing has panned out. A fix isn't as simple as it may appear. You don't just make a new or improved HPFP without a lot of engineering expertise on the specific engine and it's operation. BMW, Bosch and Siemen engineers are not idiots. If there was an easy fix they would have implemented it 5 model years ago.
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Too bad it isn't as easy as slapping in a $100 Walbro 255lph pump.
Ok, I give up.