S55 Dual Pump Retrofit is a headache

SeanWRT · 04-04-2018, 01:05 PM

A few months ago, a local friend of mine retrofitted S55 dual pump to his M135i EWG (on meth and Taiwan-made STG2 turbo). If I recall correctly, that was even 2 weeks earlier than TTFS said they did it.

I advised against dual pumps because a simple upgrade to bigger dual meth nozzle would support his 22~18psi of boost more than well. But there was a totaled M4 and free S55 pumps...Did it anyway for fun.

To control dual pumps, a signal transmitter was used to split DME output. It's a simple solution and the hardware (signal splitter) is so tiny that we put it in the JB4 box. It worked, but the issue is log read wrong FPH value from time to time. Car ran strong but was inconsistent. Been struggling for months, he changed to Port Injection, which isn't perfect either, but acceptable. Now S55 dual pumps are taken off and the full retrofit kit is for sale (see pictures below).

TTFS hasn't really said anything concrete on their S55 pump retrofit other than they did it and wanted to sell. TBH, I doubt DME controling is figured out yet. On the other hand, XDI didn't update on their DI solution either. It appears nobody has made solid fueling progress so far.

Stanio · 04-05-2018, 04:41 PM

Lol....Sean...I don't want to sound like a d**k but if you can't make something work... don't throw other people under the bus! The dual pump setup is proven to work perfectly fine and it's been confirmed by PTF.
TTFS's shop M2 (with the dual pump) trapped 131 on a roll with a stock turbo and everyone got really upset... Here is the link for the dual pump posted by PTF

https://www.instagram.com/p/Bb-G_XNlX0g/

Also TTFS and XDI project with a single pump setup is going to be released this weekend and it's a game changer ! (here is a link to the project: https://www.***********.com/content.php?9262-TTFS-partners-with-XDI-to-develop-dual-upgraded-HPFP-system-for-the-BMW-F87-M2-N55B30T0-(and-possibly-other-BMW-I6-s) from [Admin Notified] website )

It's been installed on a F30 335 N55. See the pics below. The new set up will allow the F30 to become a true beast. TTFS is definitely a level up from anything else out there.

From what I understand, MHD too will offer a tune for the XDI pump setup but you might want to confirm with them.

HKD126 · 04-05-2018, 06:08 PM

Hopefully less than the $5k price tag of the dual S55 pump retrofit...

Stanio · 04-05-2018, 06:15 PM

Quote:

Originally Posted by HKD126

Hopefully less than the $5k price tag of the dual S55 pump retrofit...

The dual pump set up uses the oem parts... hence the price.
From what I understand the single pump set up is going to be way more affordable.
Results are coming out on Sunday and they are sick .. really sick

ronanz · 04-05-2018, 06:18 PM

Quote:

Originally Posted by Stanio

The dual pump set up uses the oem parts... hence the price.
From what I understand the single pump set up is going to be way more affordable.
Results are coming out on Sunday and they are sick .. really sick

Where will results be posted/shared?

.

Stanio · 04-05-2018, 07:19 PM

Quote:

Originally Posted by ronanz

Quote:

Originally Posted by Stanio

The dual pump set up uses the oem parts... hence the price.
From what I understand the single pump set up is going to be way more affordable.
Results are coming out on Sunday and they are sick .. really sick

Where will results be posted/shared?

.

On this forum and on b1mmerbo@st (it keeps censoring the second forum)

Mike@N54Tuning.com · 04-05-2018, 07:22 PM

In for results

Mike

F30_SixSpeed · 04-05-2018, 08:09 PM

sub'd. Very interested in the new XDI HPFP upgrade.... would be a game changer.

ronanz · 04-05-2018, 09:07 PM

Quote:

Originally Posted by Stanio

On this forum and on b1mmerbo@st (it keeps censoring the second forum)

I get why, other than the obvious..."Sticky" is a F-N idiot

.

FSociety · 04-05-2018, 10:32 PM

Quote:

Originally Posted by ronanz

I get why, other than the obvious..."Sticky" is a F-N idiot

.

+100

SeanWRT · 04-06-2018, 01:41 AM

Thank you for the info. Looking forward to the release.

Quote:

Originally Posted by Stanio

Lol....Sean...I don't want to sound like a d**k but if you can't make something work... don't throw other people under the bus! The dual pump setup is proven to work perfectly fine and it's been confirmed by PTF.
TTFS's shop M2 (with the dual pump) trapped 131 on a roll with a stock turbo and everyone got really upset... Here is the link for the dual pump posted by PTF

https://www.instagram.com/p/Bb-G_XNlX0g/

Also TTFS and XDI project with a single pump setup is going to be released this weekend and it's a game changer ! (here is a link to the project: https://www.***********.com/content.php?9262-TTFS-partners-with-XDI-to-develop-dual-upgraded-HPFP-system-for-the-BMW-F87-M2-N55B30T0-(and-possibly-other-BMW-I6-s) from [Admin Notified] website )

It's been installed on a F30 335 N55. See the pics below. The new set up will allow the F30 to become a true beast. TTFS is definitely a level up from anything else out there.

From what I understand, MHD too will offer a tune for the XDI pump setup but you might want to confirm with them.

terryd5150 · 04-08-2018, 09:31 PM

Quote:

Originally Posted by Stanio

Results are coming out on Sunday and they are sick .. really sick

Did we get stood up? Lol.

I've been watching for this development for a while.

SeanWRT · 04-11-2018, 08:14 PM

Quote:

Originally Posted by Stanio

Lol....Sean...I don't want to sound like a d**k but if you can't make something work... don't throw other people under the bus! The dual pump setup is proven to work perfectly fine and it's been confirmed by PTF.
TTFS's shop M2 (with the dual pump) trapped 131 on a roll with a stock turbo and everyone got really upset... Here is the link for the dual pump posted by PTF

https://www.instagram.com/p/Bb-G_XNlX0g/

Also TTFS and XDI project with a single pump setup is going to be released this weekend and it's a game changer ! (here is a link to the project: https://www.***********.com/content.php?9262-TTFS-partners-with-XDI-to-develop-dual-upgraded-HPFP-system-for-the-BMW-F87-M2-N55B30T0-(and-possibly-other-BMW-I6-s) from [Admin Notified] website )

It's been installed on a F30 335 N55. See the pics below. The new set up will allow the F30 to become a true beast. TTFS is definitely a level up from anything else out there.

From what I understand, MHD too will offer a tune for the XDI pump setup but you might want to confirm with them.

No release? Share a link if it's somewhere else. Thanks.

ronanz · 04-16-2018, 12:49 AM

Quote:

Originally Posted by Stanio

The dual pump set up uses the oem parts... hence the price.
From what I understand the single pump set up is going to be way more affordable.
Results are coming out on Sunday and they are sick .. really sick

Which Sunday were you referring to?

Could you poke your head down into the basement and see what they're doin? .

.

Stanio · 04-25-2018, 04:26 PM

Quote:

Originally Posted by ronanz

Quote:

Originally Posted by Stanio

The dual pump set up uses the oem parts... hence the price.
From what I understand the single pump set up is going to be way more affordable.
Results are coming out on Sunday and they are sick .. really sick

Which Sunday were you referring to?

Could you poke your head down into the basement and see what they're doin? .

.

Sure man....just went in the "basement" and that's what I found ...

https://f87.bimmerpost.com/forums/sh....php?t=1489772

MrDrunkPilot · 07-31-2022, 06:07 PM

Hi, I wonder what kind of signal transmiter you have used to run second pump. I have stuck with my project, it’s e92 swapped with s55 engine and runing on n55 e series mevd1726 ecu. This is pain in the ass to find something that could solve my last problem before i can tune ir properly

Quote:

Originally Posted by SeanWRT

A few months ago, a local friend of mine retrofitted S55 dual pump to his M135i EWG (on meth and Taiwan-made STG2 turbo). If I recall correctly, that was even 2 weeks earlier than TTFS said they did it.

I advised against dual pumps because a simple upgrade to bigger dual meth nozzle would support his 22~18psi of boost more than well. But there was a totaled M4 and free S55 pumps...Did it anyway for fun.

To control dual pumps, a signal transmitter was used to split DME output. It's a simple solution and the hardware (signal splitter) is so tiny that we put it in the JB4 box. It worked, but the issue is log read wrong FPH value from time to time. Car ran strong but was inconsistent. Been struggling for months, he changed to Port Injection, which isn't perfect either, but acceptable. Now S55 dual pumps are taken off and the full retrofit kit is for sale (see pictures below).

TTFS hasn't really said anything concrete on their S55 pump retrofit other than they did it and wanted to sell. TBH, I doubt DME controling is figured out yet. On the other hand, XDI didn't update on their DI solution either. It appears nobody has made solid fueling progress so far.

thejeremyman9 · 07-31-2022, 10:25 PM

Quote:

Originally Posted by MrDrunkPilot

Hi, I wonder what kind of signal transmiter you have used to run second pump. I have stuck with my project, it’s e92 swapped with s55 engine and runing on n55 e series mevd1726 ecu. This is pain in the ass to find something that could solve my last problem before i can tune ir properly

This thread is over 4 years old.

n55david · 08-01-2022, 01:54 AM

Quote:

Originally Posted by MrDrunkPilot

Hi, I wonder what kind of signal transmiter you have used to run second pump. I have stuck with my project, it’s e92 swapped with s55 engine and runing on n55 e series mevd1726 ecu. This is pain in the ass to find something that could solve my last problem before i can tune ir properly

Nobody is doing with with this for th n55s now since it's not needed anymore. AND LIKE SAID ABOVE.. 4 YEARS OLD.

MrDrunkPilot · 08-01-2022, 03:29 AM

So what? I just need to know what he used to run it even with som problems.

Quote:

Originally Posted by thejeremyman9

This thread is over 4 years old.

n55david · 08-01-2022, 06:50 AM

Quote:

Originally Posted by MrDrunkPilot

So what? I just need to know what he used to run it even with som problems.

You aren't going to get an answer lol

MrDrunkPilot · 08-01-2022, 10:00 AM

So why does these forums exist? If the person who oroginaly made this thread is still alive I hope that he will share information. Or someone who had the same problem could give an advice how to solve my pain. And this is not that case when someone puts s55 hpfp to n55 engine, i have swapped whole s55 engine and I wan to keep it as it is, I’m not looking for enormous horsepower, just need to make everytihing working

n55david · 08-01-2022, 10:31 AM

Quote:

Originally Posted by MrDrunkPilot

So why does these forums exist? If the person who oroginaly made this thread is still alive I hope that he will share information. Or someone who had the same problem could give an advice how to solve my pain. And this is not that case when someone puts s55 hpfp to n55 engine, i have swapped whole s55 engine and I wan to keep it as it is, I’m not looking for enormous horsepower, just need to make everytihing working

The original guy referenced a 135 which isn't even what we have here. Different chassis and different dme

Get an s55 dme too and make it simple

04-04-2018, 01:05 PM	#1
SeanWRT Colonel 3179 Rep 2,577 Posts Drives: E90 M3 & F87 M2 Join Date: Sep 2015 Location: Shanghai iTrader: (1)	A few months ago, a local friend of mine retrofitted S55 dual pump to his M135i EWG (on meth and Taiwan-made STG2 turbo). If I recall correctly, that was even 2 weeks earlier than TTFS said they did it. I advised against dual pumps because a simple upgrade to bigger dual meth nozzle would support his 22~18psi of boost more than well. But there was a totaled M4 and free S55 pumps...Did it anyway for fun. To control dual pumps, a signal transmitter was used to split DME output. It's a simple solution and the hardware (signal splitter) is so tiny that we put it in the JB4 box. It worked, but the issue is log read wrong FPH value from time to time. Car ran strong but was inconsistent. Been struggling for months, he changed to Port Injection, which isn't perfect either, but acceptable. Now S55 dual pumps are taken off and the full retrofit kit is for sale (see pictures below). TTFS hasn't really said anything concrete on their S55 pump retrofit other than they did it and wanted to sell. TBH, I doubt DME controling is figured out yet. On the other hand, XDI didn't update on their DI solution either. It appears nobody has made solid fueling progress so far. Attached Images __________________ Lemania 2320
	Appreciate 1 terrywang94.00 Tweet Quote

04-05-2018, 04:41 PM	#2
Stanio Private 67 Rep 64 Posts Drives: F30 335 2014 Xdrive Join Date: Sep 2017 Location: Baltimore MD iTrader: (0)	Lol....Sean...I don't want to sound like a dk but if you can't make something work... don't throw other people under the bus! The dual pump setup is proven to work perfectly fine and it's been confirmed by PTF. TTFS's shop M2 (with the dual pump) trapped 131 on a roll with a stock turbo and everyone got really upset... Here is the link for the dual pump posted by PTF https://www.instagram.com/p/Bb-G_XNlX0g/ Also TTFS and XDI project with a single pump setup is going to be released this weekend and it's a game changer ! (here is a link to the project: https://www.*********.com/content.php?9262-TTFS-partners-with-XDI-to-develop-dual-upgraded-HPFP-system-for-the-BMW-F87-M2-N55B30T0-(and-possibly-other-BMW-I6-s) from [Admin Notified] website ) It's been installed on a F30 335 N55. See the pics below. The new set up will allow the F30 to become a true beast. TTFS is definitely a level up from anything else out there. From what I understand, MHD too will offer a tune for the XDI pump setup but you might want to confirm with them. Attached Images
	Appreciate 1 terryd5150507.00 Quote

04-05-2018, 06:08 PM	#3
HKD126 Captain 347 Rep 801 Posts Drives: 2014 335i, 2009 335xi Join Date: Jun 2016 Location: Wisconsin iTrader: (0)	Hopefully less than the $5k price tag of the dual S55 pump retrofit...
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04-05-2018, 07:22 PM	#7
Mike@N54Tuning.com BimmerPost Supporting Vendor 4918 Rep 115,980 Posts Drives: 2007 335i, 2015 M3 Join Date: Dec 2008 Location: N54tuning.com iTrader: (89)	In for results Mike
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04-05-2018, 08:09 PM	#8
F30_SixSpeed Captain 1171 Rep 969 Posts Drives: 335i M Sport Join Date: Mar 2016 Location: New Jersey iTrader: (1)	sub'd. Very interested in the new XDI HPFP upgrade.... would be a game changer. __________________ 335i M Sport 6MT \|\| PS2 Turbo, FBO, XDI-35 HPFP, BM3, KW, MP BBK, OEM+ INSTAGRAM \|\| BUILD THREAD
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08-01-2022, 10:00 AM	#21
MrDrunkPilot New Member 0 Rep 5 Posts Drives: Bmw E92 Join Date: Jul 2022 Location: Lithuania iTrader: (0)	So why does these forums exist? If the person who oroginaly made this thread is still alive I hope that he will share information. Or someone who had the same problem could give an advice how to solve my pain. And this is not that case when someone puts s55 hpfp to n55 engine, i have swapped whole s55 engine and I wan to keep it as it is, I’m not looking for enormous horsepower, just need to make everytihing working
	Appreciate 0 Quote