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2010 2011 BMW 5 Series Forum F10 B58 HPFP mod to N55 possible |
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06-05-2019, 05:21 AM | #1 |
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Hey y'all there's a thread with a few people that have used the B58 HPFP plunger and modded wiring harness with claims of 13% higher fueling. I'm following the thread and investigating more but if all is true then the XDI $2k HPFP can be skipped.
HPFP New Option https://f30.bimmerpost.com/forums/sh....php?t=1589774
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06-05-2019, 11:54 AM | #2 |
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The B58 HPFP is only better because its volumetric efficiency is slightly better than the N55 HPFP. The XDI pump has different sized pistons... I think XDI came in to explain a lot of their engineering & design on that thread.
This doesn't mean that the XDI can be skipped, especially if you're trying to put down serious power.
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06-05-2019, 12:45 PM | #3 |
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I have the old school n54 style hpfp, which I know flows better than later 535i's. Would this be benefit over that hpfp?
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06-05-2019, 08:37 PM | #4 | |
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535i MIssion Performance, PS2, Helix HPFP Kit, Wagner FMIC, Spec 3 clutch, Steel SMF, Wolf Racing CP, UUC SSK, GFB dv, SprintBooster, Custom Dynomax Exhaust, M5 Sways, Eibach OE Springs, Koni Sports Adjustable, Custom Short Ram CAI
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06-11-2019, 03:21 AM | #6 |
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Oh shit car is more responsive, power, etc?
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535i MIssion Performance, PS2, Helix HPFP Kit, Wagner FMIC, Spec 3 clutch, Steel SMF, Wolf Racing CP, UUC SSK, GFB dv, SprintBooster, Custom Dynomax Exhaust, M5 Sways, Eibach OE Springs, Koni Sports Adjustable, Custom Short Ram CAI
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06-11-2019, 07:35 PM | #7 |
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Brooo... the delivery once you mash on the gas is crazy.. i havent got it tuned yet.. still on my previous tune but hoping to break 570+ with the new upgrades. I tested the pump on e45 and it held up perfect.
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06-12-2019, 06:19 PM | #8 | |
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535i MIssion Performance, PS2, Helix HPFP Kit, Wagner FMIC, Spec 3 clutch, Steel SMF, Wolf Racing CP, UUC SSK, GFB dv, SprintBooster, Custom Dynomax Exhaust, M5 Sways, Eibach OE Springs, Koni Sports Adjustable, Custom Short Ram CAI
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06-13-2019, 09:34 PM | #9 |
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And we're off to the races.
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535i MIssion Performance, PS2, Helix HPFP Kit, Wagner FMIC, Spec 3 clutch, Steel SMF, Wolf Racing CP, UUC SSK, GFB dv, SprintBooster, Custom Dynomax Exhaust, M5 Sways, Eibach OE Springs, Koni Sports Adjustable, Custom Short Ram CAI
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06-14-2019, 03:25 PM | #11 |
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Anything flows better than a N55 hpfp
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535i MIssion Performance, PS2, Helix HPFP Kit, Wagner FMIC, Spec 3 clutch, Steel SMF, Wolf Racing CP, UUC SSK, GFB dv, SprintBooster, Custom Dynomax Exhaust, M5 Sways, Eibach OE Springs, Koni Sports Adjustable, Custom Short Ram CAI
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06-14-2019, 03:30 PM | #12 |
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06-14-2019, 05:35 PM | #13 |
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I'll datalog and we can go over the results
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535i MIssion Performance, PS2, Helix HPFP Kit, Wagner FMIC, Spec 3 clutch, Steel SMF, Wolf Racing CP, UUC SSK, GFB dv, SprintBooster, Custom Dynomax Exhaust, M5 Sways, Eibach OE Springs, Koni Sports Adjustable, Custom Short Ram CAI
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06-17-2019, 01:22 PM | #15 |
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even if it does the n54 is plunger style so def. cant use it on our motors.
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06-17-2019, 01:24 PM | #16 |
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yes sir. Precision Raceworks LPFP. Yo have you thought about opting for the Evolution Race Fuel Pump Module. I bought it.. bit on the expensive side but fuel flow was more stable and ekpm3 wasnt collapsing like the oem was.
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06-17-2019, 01:31 PM | #17 |
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08-13-2019, 04:25 AM | #18 |
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Sorry everyone, noob here. Anyone successfully run the XDI-60 pump on a BMW yet? I purchased the XDi-60 since May and still have not been able to get it to run correctly. I have an F10 535 PWG running BM3. At first install the car did not start even with the XDI60 checkbox marked in config. It took two weeks, but finally TTFS and BM3 was finally able to get the parameters right so the car is running now. However, it can't support 15+ PSI of boost without HPFP dropping to 800 PSi. TTFS are telling me that my Fuel-It Stage 2 pump is the problem now. My log is showing that the LPFP is at 84 PSI at any boost or RPM. I've read that the F10 does not have a low pressure fuel sensor so where is the BM3 getting this 84 PSI number from? If anyone have any theories, please chime in.
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08-13-2019, 12:41 PM | #19 | ||
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535i MIssion Performance, PS2, Helix HPFP Kit, Wagner FMIC, Spec 3 clutch, Steel SMF, Wolf Racing CP, UUC SSK, GFB dv, SprintBooster, Custom Dynomax Exhaust, M5 Sways, Eibach OE Springs, Koni Sports Adjustable, Custom Short Ram CAI
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08-13-2019, 01:57 PM | #20 | |
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The problem in our cars is really the hpfp. Upgrading that I believe will solve most fueling problems for our platform.
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535i MIssion Performance, PS2, Helix HPFP Kit, Wagner FMIC, Spec 3 clutch, Steel SMF, Wolf Racing CP, UUC SSK, GFB dv, SprintBooster, Custom Dynomax Exhaust, M5 Sways, Eibach OE Springs, Koni Sports Adjustable, Custom Short Ram CAI
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08-13-2019, 10:50 PM | #21 | ||
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From what i understand even with the fueling upgrades, the exhaust manifold becomes a limiting factor when reaching for 6-800whp. Again $howtime456 gots the deets on that. https://instagram.com/1badf06n55?igshid=dc65521slysc
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535i MIssion Performance, PS2, Helix HPFP Kit, Wagner FMIC, Spec 3 clutch, Steel SMF, Wolf Racing CP, UUC SSK, GFB dv, SprintBooster, Custom Dynomax Exhaust, M5 Sways, Eibach OE Springs, Koni Sports Adjustable, Custom Short Ram CAI
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08-14-2019, 08:39 AM | #22 |
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