Quote:
Originally Posted by nothingman
Nice! That's a solution that didn't occur to me at the time and in retrospect it seems pretty obvious. It's interesting that Frank (TTFS) had actually installed an S55 fuel rail with dual HPFP's on an N55 M2 several years ago around 2018, but it must not have occurred to him as a solution to this problem either.
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We also read about this M2 with TTFS S55 hpfp retrofit. But I can't find more info on that car. And software adjustment is not mentioned in their S55 dual hpfp package's description.
"dual fuel system setup consist of genuine oem M4 S55 fuel system that has been modified to work with the N55 engine"
So we believe it is done differently. But anyway.. as long as it works, then it works 😁
Just had mine dyno'd yesterday, we expected 530hp, but it was not. Here's the dyno sheet, 100% honest dyno result, no manipulation.
When I did the test drive, it was on the first "test file" - 493hp, but I seriously think it's pushing more than that. This is a 100-180 pull that I did -
However, it is not completely finished and is currently 514hp.