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T_H_O_M_A_S T_H_O_M_A_S is offline
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Default HPFP swap - 02-28-2019, 10:58 AM

Ive changed the oem N55 hpfp (hdp5) with a B58 model (hdp5evo) , ive used the same map only a different hpfp , check the rail pressure differences , i'm on 93oct pumpgas for now .

for some reason i cant post the datazap links :s
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M135i PWG , FBO , PS2 , LPFP st2 , HDP6 custom for N55 , wedge MHD mapping , XHP AT8
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AZ-MCRacer AZ-MCRacer is offline
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Default 02-28-2019, 02:32 PM

Any modification necessary or direct bolt on?

Nice work!



2013 F10 535i N55 PWG, Pure Stage 2, Wagner FMIC, ER Charge pipe, ER **, BMS Intake, JB4, Fuel-It Stage 2 LPFP, Fuel-It Platinum PI Kit, BootMod3 Flash, Remus Exhaust, Custom In-let, N20 TMAP.
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T_H_O_M_A_S T_H_O_M_A_S is offline
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Default 02-28-2019, 04:37 PM

you have to cut off the flange on one side and make new holes as seen on the pictures , you also need a different connector, the oem connector has a red and white wire , the evo pump's connector has a white and a white striped wire . connect white to white and red to white striped . my car started right up after i bolted everything back together . the difference is shown in the screenshots
partno for the pump : 13517642466
partno for the connector 12518638006


M135i PWG , FBO , PS2 , LPFP st2 , HDP6 custom for N55 , wedge MHD mapping , XHP AT8
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Marlinman Marlinman is offline
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Default 02-28-2019, 05:26 PM

WHAT, this is awesome. I wonder how much more it will flow compared to OEM. This could be a good option for those not willing to shell out over 2K for XDIs pump.


2013 335xi PWG, JB4, CP, meow-less pipe, FMIC, PS2 with DV/inlet, stock fueling, stock intake
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hardparker hardparker is offline
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Default 02-28-2019, 07:42 PM

Pretty cool. But, it's still over $1,000 for that pump, new. There's a used one on eBay for $500. What did you pay for that one? I'd be interested in seeing it pushed to its limits, especially with ethanol mixed.


F25 X3 35i M Sport | Pure Stage 2 turbo + inlet | UR de-catted thingy | VRSF Race IC | FTP full thingies | BM3 PTF tuned | XDI-35 HPFP | Stage 2 LPFP | Ethanol mixed | WMI | Oil cooler | xHP | 50iX brakes
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blackhat75 blackhat75 is offline
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Default 02-28-2019, 07:54 PM

If this is legit, it could change my summer vacation plans Is a used or reman'd low mileage pump worth it?
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T_H_O_M_A_S T_H_O_M_A_S is offline
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Default 03-01-2019, 04:17 AM

for this upgrade i have only paid 200 usd for the pump and the connector
you only have to close off in and outlet , and the spring while machining it .
soldering is also pretty easy

i'm goign to test with E20 in the upcomming weeks to see what the pump is capable of


M135i PWG , FBO , PS2 , LPFP st2 , HDP6 custom for N55 , wedge MHD mapping , XHP AT8
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hardparker hardparker is offline
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Default 03-01-2019, 07:03 AM

Quote:
Originally Posted by T_H_O_M_A_S
for this upgrade i have only paid 200 usd for the pump and the connector
you only have to close off in and outlet , and the spring while machining it .
soldering is also pretty easy

i'm goign to test with E20 in the upcomming weeks to see what the pump is capable of
Nice! I'm buying a used pump today. How noticeable is that post-shift fuel pressure sag? It's nice to see it recover so quickly, but does it break up at all post-shift?


F25 X3 35i M Sport | Pure Stage 2 turbo + inlet | UR de-catted thingy | VRSF Race IC | FTP full thingies | BM3 PTF tuned | XDI-35 HPFP | Stage 2 LPFP | Ethanol mixed | WMI | Oil cooler | xHP | 50iX brakes
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blackhat75 blackhat75 is offline
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Default 03-01-2019, 07:47 AM

This sounds almost too good to be legit. For years, guys have been looking for an economical solution for more fuel. Most I've read go the PI route, wishing they could afford the TTFS or XDI pumps. How is it that no one till now has tried this?
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T_H_O_M_A_S T_H_O_M_A_S is offline
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Default 03-01-2019, 07:52 AM

i guess its just the way the dme controls the supply valve ,
but the one thing you cant control when you do a swap , is position of the camshaft driving the hpfp , is either bottom , top or somewhere in between.
you'll notice right away when unbolting the hpfp . you could move the crank a little to make sure its at bottom point otherwise you have to compress the spring while fastening the two bolts , oh and do them half a turn at once alternating between the two .


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T_H_O_M_A_S T_H_O_M_A_S is offline
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Default 03-01-2019, 07:59 AM

Quote:
Originally Posted by blackhat75
This sounds almost too good to be legit. For years, guys have been looking for an economical solution for more fuel. Most I've read go the PI route, wishing they could afford the TTFS or XDI pumps. How is it that no one till now has tried this?
ive been searching for a few years too , but there is very little info about serial numbers and pump versions , they do exist but how do you know which pump has what type of piston . xdi states oem n55 pump has 0.9 cm³ per rotation .
hdp5 evo versions go all the way to 1.2cm³ a rotation . do i have the 1.2cm³ version ? . the logs show it has a larger piston but how large ??
i also asked bosch directly for more info , but in vain as i did not have a racing team and such upgrades werent allowed on street cars .

when going down the e20 route i wonder how far it can be pushed . if i can get 20-21psi on e20 im very happy with the 200usd upgrade


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hardparker hardparker is offline
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Default 03-01-2019, 12:17 PM

Quote:
Originally Posted by T_H_O_M_A_S
ive been searching for a few years too , but there is very little info about serial numbers and pump versions , they do exist but how do you know which pump has what type of piston . xdi states oem n55 pump has 0.9 cm³ per rotation .
hdp5 evo versions go all the way to 1.2cm³ a rotation . do i have the 1.2cm³ version ? . the logs show it has a larger piston but how large ??
i also asked bosch directly for more info , but in vain as i did not have a racing team and such upgrades werent allowed on street cars .

when going down the e20 route i wonder how far it can be pushed . if i can get 20-21psi on e20 im very happy with the 200usd upgrade
You've got me going down the rabbit hole on this one. It looks like the smallest version of the HDP5 EVO pump is 1.2cc. They get bigger and higher pressure from there.

XDI states that their XDI-35 pump is 1.22cc and the N55 pump is .897cc (GDI High Flow Pump XDI-HPFP for BMW N55 - Xtreme-Di)

Bosch says the HDP5 pump is 1.12cc and that the HDP5 EVO pump is 1.20cc. (https://www.boschautoparts.com/docum...e-b46ceefcf80e). That would seem to indicate that the HDP5 EVO pump is nearly the same capacity as the XDI-35. It's only 1% smaller volume.

Further, the Bosch data sheet say the HDP5 EVO, or Rev C, pump has reduced internal restrictions and the EVO outlet valve, whatever that means. There's a Rev D pump with a still larger piston, too, not that you can get one anywhere. (http://www.bosch-motorsport.de/conte...t_ID0EPD5S.pdf)

What's interesting is that the same pump part number is specified for both the B58 as well as the B46 and B48. I imagine only the cam profile driving them differs. That means any 330i, 340i or similar could provide the donor pump. I checked real OEM to confirm that the 13517642466 pump is found on all the B46, B48 and B58 equipped models.

Another interesting thing is that there was a 13518621084 part number for the same pump that was only in production use for three months. It turns out that 13518621084 pump is $105 - $135 shipped from China via AliExpress. So, there's a possible source for a cheap, brand new pump, too. Make what you will of a short production run pump from China, but it is an option.

Anyhow, I just picked up a used 2018 pump with 12,000 miles on it for $125 shipped and I'll be installing it shortly and upping the boost to take advantage of it.


F25 X3 35i M Sport | Pure Stage 2 turbo + inlet | UR de-catted thingy | VRSF Race IC | FTP full thingies | BM3 PTF tuned | XDI-35 HPFP | Stage 2 LPFP | Ethanol mixed | WMI | Oil cooler | xHP | 50iX brakes
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Endeav Endeav is offline
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Default 03-01-2019, 12:27 PM

Subscribed for further info. Definitely wouldn't mind a cheaper option so I can be a little less reliant on the methanol for fuel!


'17 BMW M2 - [DCT/N55] - PureTurbos Stage 2 Turbo - JB4 + MHD BEF - Fuel-It Methanol PI
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T_H_O_M_A_S T_H_O_M_A_S is offline
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Default 03-01-2019, 12:30 PM

i hope you will have the same results as me

why does the site keep screwing up links to datazap , i want to post my logs so everyone can see the results for their own

https://daatazap.me/u/thomas/log-155...og=0&data=4-21

this is the log with hdp5evo

https://daatazap.me/u/thomas/log-154...og=0&data=4-20

this one is with the oem n55's hdp5

same engine map used for both logs

click the link , remove one letter a in dAAtazap and then you can see them :s


M135i PWG , FBO , PS2 , LPFP st2 , HDP6 custom for N55 , wedge MHD mapping , XHP AT8

Last edited by T_H_O_M_A_S; 03-01-2019 at 12:41 PM..
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hardparker hardparker is offline
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Default 03-01-2019, 12:43 PM

Quote:
Originally Posted by T_H_O_M_A_S
i hope you will have the same results as me

why does the site keep screwing up links to datazap , i want to post my logs so everyone can see the results for their own

https://daatazap.me/u/thomas/log-155...og=0&data=4-21

this is the log with hdp5evo

https://daatazap.me/u/thomas/log-154...og=0&data=4-20

this one is with the oem n55's hdp5

click the link , remove one letter a in dAAtazap and then you can see them :s
Me, too, man. I hate pulling the damn intake manifold. I see that the brief fuel pressure dips are from post-shift boost spikes. Do you even feel those? Fingers crossed for higher boost levels with ethanol and rock steady fuel pressures.


F25 X3 35i M Sport | Pure Stage 2 turbo + inlet | UR de-catted thingy | VRSF Race IC | FTP full thingies | BM3 PTF tuned | XDI-35 HPFP | Stage 2 LPFP | Ethanol mixed | WMI | Oil cooler | xHP | 50iX brakes
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T_H_O_M_A_S T_H_O_M_A_S is offline
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Default 03-01-2019, 12:50 PM

no the pull feels smooth all the way , only for gear six there is a boost drop , but that map/gearbox software related .


M135i PWG , FBO , PS2 , LPFP st2 , HDP6 custom for N55 , wedge MHD mapping , XHP AT8
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KevinC39 KevinC39 is offline
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Default 03-01-2019, 01:37 PM

They block datazap because they want you to post .csv files since that's what the JB4 spits out.


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Default 03-01-2019, 01:58 PM

Holy ****


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Default 03-02-2019, 07:41 AM

Nice, keep it up


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houtan houtan is offline
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Default 03-02-2019, 01:28 PM

Nice work.

So is the N55 hpfp (hdp5) in your car the weaker pump or the stronger one in the early e series N55s (2011 and early 2012)? Just trying to gauge if the b58 would be an upgrade for those cars or if it would even fit.
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Default 03-02-2019, 08:29 PM

Quote:
Originally Posted by T_H_O_M_A_S
you have to cut off the flange on one side and make new holes as seen on the pictures , you also need a different connector, the oem connector has a red and white wire , the evo pump's connector has a white and a white striped wire . connect white to white and red to white striped . my car started right up after i bolted everything back together . the difference is shown in the screenshots
partno for the pump : 13517642466
partno for the connector 12518638006
can you put arrows on your screen shots to be more specific? Thanks!


2013 335xi PWG, JB4, CP, meow-less pipe, FMIC, PS2 with DV/inlet, stock fueling, stock intake
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Default 03-02-2019, 11:37 PM

Quote:
Originally Posted by hardparker
You've got me going down the rabbit hole on this one. It looks like the smallest version of the HDP5 EVO pump is 1.2cc. They get bigger and higher pressure from there.

XDI states that their XDI-35 pump is 1.22cc and the N55 pump is .897cc (GDI High Flow Pump XDI-HPFP for BMW N55 - Xtreme-Di)

Bosch says the HDP5 pump is 1.12cc and that the HDP5 EVO pump is 1.20cc. (https://www.boschautoparts.com/docum...e-b46ceefcf80e). That would seem to indicate that the HDP5 EVO pump is nearly the same capacity as the XDI-35. It's only 1% smaller volume.

Further, the Bosch data sheet say the HDP5 EVO, or Rev C, pump has reduced internal restrictions and the EVO outlet valve, whatever that means. There's a Rev D pump with a still larger piston, too, not that you can get one anywhere. (http://www.bosch-motorsport.de/conte...t_ID0EPD5S.pdf)

What's interesting is that the same pump part number is specified for both the B58 as well as the B46 and B48. I imagine only the cam profile driving them differs. That means any 330i, 340i or similar could provide the donor pump. I checked real OEM to confirm that the 13517642466 pump is found on all the B46, B48 and B58 equipped models.

Another interesting thing is that there was a 13518621084 part number for the same pump that was only in production use for three months. It turns out that 13518621084 pump is $105 - $135 shipped from China via AliExpress. So, there's a possible source for a cheap, brand new pump, too. Make what you will of a short production run pump from China, but it is an option.

Anyhow, I just picked up a used 2018 pump with 12,000 miles on it for $125 shipped and I'll be installing it shortly and upping the boost to take advantage of it.
do you have any info on the S55 pump? I know it has 2 but what is the piston size, flow etc if we use one of them? they are direct bolt on and wiring is the same.
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T_H_O_M_A_S T_H_O_M_A_S is offline
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Default 03-03-2019, 06:59 AM

in the first two pictures you can see the cutaway of the evo flange it has to clear the vacuum pumps body , the orientation of the two slits where the bolts go in , follow the hexagonal shape of the pump . they are rotated 60 degrees CW compared to the evo . it allows a few degrees of play as your fuel line connections have rounded shapes . the easy way of doing it is with a 2nd vacuumpump to do your measurements and final adaptation of the two holes . do you take away just enough material as you can see on my pictures . dont rush , this take your time


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Default 03-03-2019, 09:18 AM

GENIUS BRO!!! SUBSCRIBED AND ORDERIN PUMP TOMMORROW
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Default 03-03-2019, 09:26 AM

looking at a bosch hdp5evo for $200. Is this simple modifications to the housing, plug play and start car. Any DME programming to make the car run normal?
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