[Boostedphil698]

With the Dorch Stage 2 HPFP and 1000hp rated LPFP from percision racewerks, can you run the N55 on full E85 without port injection? Plan is to build the motor and go big turbo but would like to remain on the stock direct injection system.

[thejeremyman9]

In theory yes (with upgraded EKP as well). There's only one person [on here with F3x] ive seen who supposedly ran full E85, was with FX-180 HPFP if i recall correctly. You may hit the limit of the DS2 HPFP with full E85 and big turbo. You might need stage 3 HPFP, which i believe someone on 2 series forum was talking about. Saw a link to that some time ago, but I'm not on those forums, so would be very difficult to find it again.

[Boostedphil698]

Who even sells a stage 3 HPFP? What is an EKP?

[thejeremyman9]

Originally Posted by Boostedphil698

Who even sells a stage 3 HPFP? What is an EKP?

I only saw the one reference to the stage 3 dorch in that thread, the guy was running it prototype because he was basically trying to do exactly what you are - full E85 with DI system only with upgraded turbo. AmuroRay do you recall this thread? I am pretty sure it was on 2 series forums...

EKP is the control module for the LPFP. IF you upgraded the LPFP to one that draws significantly more power, you need to upgrade the EKP so that the stock one doesnt fry/overheat. It's most common with PI since that demands so much more from the LPFP.

[5w20]

Originally Posted by Boostedphil698

Who even sells a stage 3 HPFP? What is an EKP?

Research. Takes all of 3-5 minutes to figure that out. The more knowledge you gain on your own the better off you'll be. You'll be able to weed out what is the truth and what isn't.

Originally Posted by Boostedphil698

With the Dorch Stage 2 HPFP and 1000hp rated LPFP from percision racewerks, can you run the N55 on full E85 without port injection? Plan is to build the motor and go big turbo but would like to remain on the stock direct injection system.

Yes, you can. Too many factors on exact figures. Do some research.

Originally Posted by thejeremyman9

In theory yes (with upgraded EKP as well). There's only one person [on here with F3x] ive seen who supposedly ran full E85, was with FX-180 HPFP if i recall correctly. You may hit the limit of the DS2 HPFP with full E85 and big turbo. You might need stage 3 HPFP, which i believe someone on 2 series forum was talking about. Saw a link to that some time ago, but I'm not on those forums, so would be very difficult to find it again.

I've contacted Dorch about this and they didn't respond. The prototype hpfp is needed and a set of S63tu injectors (not sure exactly which ones) are needed. I'll edit this in a minute and provide the link. I believe they said even with all the the fuel system was basically tapped out at 650/650 or so.


I feel lately people just come in asking repetitive questions without doing a lick of research. It's pretty annoying and I think from now I'm about going to start giving out false information and wish them the best since they obviously don't want to spend ANY TIME on the subject they are concerned with, they would rather be spoon fed the information.


There you go Dr. Phil. https://f30.bimmerpost.com/forums///...php?p=27687699

And

https://f87.bimmerpost.com/forums/sh....php?t=1782572

[thejeremyman9]

Originally Posted by 5w20

Research. Takes all of 3-5 minutes to figure that out. The more knowledge you gain on your own the better off you'll be. You'll be able to weed out what is the truth and what isn't.




Yes, you can. Too many factors on exact figures. Do some research.



I've contacted Dorch about this and they didn't respond. The prototype hpfp is needed and a set of S63tu injectors (not sure exactly which ones) are needed. I'll edit this in a minute and provide the link. I believe they said even with all the the fuel system was basically tapped out at 650/650 or so.


I feel lately people just come in asking repetitive questions without doing a lick of research. It's pretty annoying and I think from now I'm about going to start giving out false information and wish them the best since they obviously don't want to spend ANY TIME on the subject they are concerned with, they would rather be spoon fed the information.


There you go Dr. Phil. https://f30.bimmerpost.com/forums///...php?p=27687699

Thanks for the link, i would have had to dig for that.

I agree OP needs to do more research, I just try to be nice [most of the time]

[5w20]

Originally Posted by thejeremyman9

Thanks for the link, i would have had to dig for that.

I agree OP needs to do more research, I just try to be nice [most of the time]

Nothing against you, you're always trying to help out.

I found the thread because I'd really like to do something similar as Eidos. (Speedtech kit, no supplemental fueling - just using DI, and roughly the same power goals because the ZF8HP45 would hate me &#128514

[-Eidos]

Originally Posted by Boostedphil698

With the Dorch Stage 2 HPFP and 1000hp rated LPFP from percision racewerks, can you run the N55 on full E85 without port injection? Plan is to build the motor and go big turbo but would like to remain on the stock direct injection system.

With the 1000hp rated LPFP you'll be set for full E85 (Unless going for the moon).

Regarding everything else, it'll depend on how much power you'll be pushing. The DS2 will safely max out at 500whp on full E85. After roughly 500whp, you'll start hitting injector limits as well as the DS2 pump limits, depending on tuning strategy.

You can resolve the injector limits by upgrading to the Bosch EU5 S63 injectors which will support a safe 700whp or the Nostrum Stage 1 injectors (Their stage 2 injectors are pending which should support higher whp).

Regarding the DS2 limit, Dorch is working on finalizing the Stage 3 offering (There have been delays due to global material shortages). It's simply a "lift kit" which supplements a DS1 or DS2 pump. The "lift kit" with the DS2 pump will support way more than 700whp.

[Boostedphil698]

Originally Posted by -Eidos

With the 1000hp rated LPFP you'll be set for full E85 (Unless going for the moon).

Regarding everything else, it'll depend on how much power you'll be pushing. The DS2 will safely max out at 500whp on full E85. After roughly 500whp, you'll start hitting injector limits as well as the DS2 pump limits, depending on tuning strategy.

You can resolve the injector limits by upgrading to the Bosch EU5 S63 injectors which will support a safe 700whp or the Nostrum Stage 1 injectors (Their stage 2 injectors are pending which should support higher whp).

Regarding the DS2 limit, Dorch is working on finalizing the Stage 3 offering (There have been delays due to global material shortages). It's simply a "lift kit" which supplements a DS1 or DS2 pump. The "lift kit" with the DS2 pump will support way more than 700whp.

I'm gonna need that stage 3 pump from dorch.

[N55Pav]

Originally Posted by -Eidos

With the 1000hp rated LPFP you'll be set for full E85 (Unless going for the moon).

Regarding everything else, it'll depend on how much power you'll be pushing. The DS2 will safely max out at 500whp on full E85. After roughly 500whp, you'll start hitting injector limits as well as the DS2 pump limits, depending on tuning strategy.

You can resolve the injector limits by upgrading to the Bosch EU5 S63 injectors which will support a safe 700whp or the Nostrum Stage 1 injectors (Their stage 2 injectors are pending which should support higher whp).

Regarding the DS2 limit, Dorch is working on finalizing the Stage 3 offering (There have been delays due to global material shortages). It's simply a "lift kit" which supplements a DS1 or DS2 pump. The "lift kit" with the DS2 pump will support way more than 700whp.

Do you have a link or a part number for the eu5 m5 injectors that you are running?

[-Eidos]

Originally Posted by N55Pav

Do you have a link or a part number for the eu5 m5 injectors that you are running?

You'll want these six of these 13647599876 (injectors) and six of these 13537577649 (decoupling elements).

That said, if you're pushing some serious power you could invest in the Nostrum Stage 2s. They flow more and should be able to better handle the higher pressures. Nostrum also offers lifetime warranty on them, which they previously didn't - which made FCP Euro'ing the injectors more enticing in the past.

[N55Pav]

Originally Posted by -Eidos

You'll want these six of these 13647599876 (injectors) and six of these 13537577649 (decoupling elements).

That said, if you're pushing some serious power you could invest in the Nostrum Stage 2s. They flow more and should be able to better handle the higher pressures. Nostrum also offers lifetime warranty on them, which they previously didn't - which made FCP Euro'ing the injectors more enticing in the past.

I did not know Nostrum offered lifetime warranty! I was debating between the two but decided to go with eu5s because of the lifetime warranty through FCP Euro, I know might go with the nostrum stage 1s or 2s. Im pushing around 540whp on e50 so maybe i will go with the nostrum stage 1s and go full e85

Love your build btw!