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Steve @ BMS/Fuel-It!'s Avatar
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Default Fuel system upgrade Q & A's: What's needed and your options... - 02-01-2015, 04:29 AM

We are continually updating this as more products become available and time allows.

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We get a lot of questions about the various fueling requirements and options. Consequently we thought we'd start a thread with answers to some of those questions.

Q: What stage Low Pressure Fuel Pump (LPFP) do I need?
As a general guideline, if you are making 400+ hp, an LPFP upgrade is typically needed and supplemental fueling may be needed.
We have included some basic guidelines but if you have any additional questions you can email us at info@fuel-it.com.

Stage 1
300 - 500whp on pump fuel

(Click on the icon to view/purchase)

Requirements: A healthy stock LPFP
(Not warrantied for use with E85)
Compatibility: E-Series 135i/1M and 335i
Recommended for: Pump gas and race gas

Stage 2
Up to 600whp on pump/race fuel or 550whp on E85

These can be found by clicking on the icons or the following links:
E-series 135i/1M and 335i
E60 535i
F-Series 135i, 235i, 335i, and 435i
Requirements: None, the stock LPFP is replaced
Compatibility: Links for specific models listed.
(Email us at info@fuel-it.com if your model isn't listed)
Recommended for: Pump gas, race gas, and E85

Stage 3
500whp +

(Click on the icon to view/purchase)
Requirements: 500whp+
Compatibility: E-Series 135i/1M and 335i.
Recommended for: Race gas and E85

Q: I'd like to run ethanol (E85) what upgrades do I need?

To run moderate to high concentrations of ethanol you'll need a Stage 2 or Stage 3 LPFP depending on your power goals.
Stage 2 will be needed for up to approx. 550whp and Stage 3 will be needed for 550whp+
A healthy stock HPFP on an E-Series can support up to approx. 430whp on E85 and approx. 460whp on E50ish.
Beyond that you will need to add one of our throttlebody or port injection kits as covered in the next section.
To monitor your ethanol concentrations and upgrade your fuel lines we offer a few options.

All of our fuel line upgrade kits include 3/8" E85 compatible fuel lines and our custom billet fittings to be compatible with the stock connections.
To upgrade your fuel lines and/or monitor your ethanol content we offer the following upgrades:
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HPFP to Tank = Replaces all stock fuel lines
Port Injection to Tank = Replaces all stock fuel lines for those running a port injection kit.
HPFP to Tank with ES = Replaces all stock fuel lines and adds an ethanol sensor (ethanol analyzer is also required)
Port Injection to Tank with ES = Replaces all stock fuel lines for those running a port injection kit and adds an ethanol sensor (ethanol analyzer is also required)
You can find them via the following links:
E-Series 135i and 335i
F-Series 135i, 235i, 335i, and 435i
If your car isn't listed or you're not running one of our port injection kits, please email us at info@fuel-it.com.
Requirements: None
Compatibility: See listed models
Recommended for: Pump gas, race gas, and E85

If you are looking to run an ethanol sensor, you will need an ethanol content analyzer (ECA) to process and report that data. We have two options for this.
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Option 1. If you are running a JB4 and are NOT running meth, you can run our JB4 specific analyzer. This will allow you to see the ethanol content in your logs or with JB4 Mobile shown on the right.

Option 2. If you aren't running a JB4 or you're running meth and would prefer to monitor your ethanol content via Bluetooth on your iPhone or Android device, you can select the bluetooth version.
You will have to purchase an additional bluetooth app for this option.


Q: My High Pressure Fuel Pump (HPFP) can't keep up, what are my options?

We have a couple options depending on your horsepower goals and fuel being used.

Fuel-It! Port Injection
These are our most popular kits and are comprised of a spacer and fuel rail that is installed between the intake manifold and the head to add supplemental fuel under high boost. They include 6 additional injectors that use an external controller such as a Split Second to fire the injectors under high boost to supplement the high pressure fuel system. In addition the Split Second can also be integrated with the JB4 and while it is not a requirement, it makes tuning it a breeze. We also have a variety of packages available to meet your needs.
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Options:
Bronze = Basic kit
Silver = Adds upgraded fuel line
Gold = Adds ethanol sensor
Platinum = Adds ethanol analyzer
These can be found by clicking on the following links:
N54 and N55 E-Series
N55 F-Series
S55 is coming soon...
Requirements:
Stage 2 LPFP for up to 550whp
Stage 3 LPFP for 550whp+
Split Second Controller
*JB4 integration is available for the E-Series cars, F-Series is coming soon...
Recommended for: Race gas and E85
Email us at info@fuel-it.com to verify compatibility and insure you are running the proper fueling setup for your needs.


Throttlebody Injection
Another option for those of you that are making up to 500whp on straight E85 or 550whp with an ethanol mix is our throttlebody injection kits. These kits include a spacer that is installed between your throttlebody and your intake manifold and use a Hobb's switch to turn the injectors on under high boost. Because of this these kits are either on or off and do not offer as much flexibility at this time. To run these kits you need to be maxing out your stock fuel system and require the additional fuel capacity as they flow approximately 1000cc's of fuel. They are primarily intended for those customers that are:
- Running stock turbos on their N54 and making up to 500whp on straight E85.
- Running hybrid turbos on their N54 or N55 and making up to 550whp on an ethanol mix.
*We suggest you contact us with questions about your specific setup at info@fuel-it.com before ordering.
Status = Shipping and can be found at the following links:
N54 E-Series
N55 E-Series
N55 F-Series
Requirements: Stage 1 or Stage 2 LPFP
Recommended for: E85 or Ethanol mixes


Q: I eventually plan on installing a port injection kit but need an LPFP upgrade now. What do you suggest?

A: We have a few customers that have done the same thing. You can purchase and run a Stage 3 LPFP as a Stage 2 until the secondary (Stage 3 portion) is needed. The kit installs just like a Stage 2 but you don't have to run the secondary power source or trigger it until it is needed. Please let us know that this is what you plan on doing when ordering.

Q: On your Stage 3 kits, what is the optional "return line fitting?"

A: This is for those customers that will be running an external FPR and you can find that option listed with the port injection kits for the E-Series cars. Your return line from the FPR plugs in to this fitting.

Q: What is your "throttle body injection kit"

A: This is a low pressure solution similar to port injection but is injected in to the air stream post throttlebody as it inters the intake manifold.

Q: How much horsepower will throttle body injection support on E85?

A: Up to 550whp on ethanol mixes and 500whp on straight E85.

Q: I have one of your Stage 2 kits but need to upgrade to a Stage 3, can I send it in for upgrade or do you take trade-ins?

A: Please see our upgrade policy included at the bottom of this post.

Q: Can I run meth injection with a port injection or throttle body injection setup?

A: This has not been tested nor is it recommended at this time.



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Video of our Stage 2 LPFP upgrade installation.

BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways.

Last edited by Steve @ BMS/Fuel-It!; 03-18-2016 at 05:57 AM..
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Peter @ Pure's Avatar
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Default 02-01-2015, 05:16 AM

Good info!


F21 M140i - 100-200: 5.18 60-130: 5.96
Audi TTRS - 100-200: 4.01 60-130: 4.5
F80 M3 - 100-200: 4.32, 60-130: 4.8
F20 M135i (sold) - 100-200: 6.26 , 60-130: 7.4
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Default 02-01-2015, 07:08 AM

Great info and write up Steve!! Do you have any recommendations for the EWG N55 guys? I would like to eventually run a E50-E60 blend with a Pure stage 1 or 2 once the F series backend flashing gets started. Thanks in advance!

-Nick


2014 335i xDrive / Silver / ZF8 / M-Sport / 400M / BM3 2H Map / xHP Stage 3 / ATM FMIC / H&R Sports / VRSF **/CP
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amr_e90 amr_e90 is offline
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Default 02-01-2015, 07:21 AM

Great info


jb4 G5iso/bms meth kit/ur cp tial bov/hpf catback / cpe ***/cpe intake/bms flash/big tom intercooler/fuel it stg1/rbturbos/vtt inlets/spec stg3+

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Peter @ Pure's Avatar
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Default 02-01-2015, 08:39 AM

Quote:
Originally Posted by e46m3to335i
Great info and write up Steve!! Do you have any recommendations for the EWG N55 guys? I would like to eventually run a E50-E60 blend with a Pure stage 1 or 2 once the F series backend flashing gets started. Thanks in advance!

-Nick
That's what I am doing as well. Got LPFP stage2 from Steve already. And am awaiting his TB 525whp upgrade. Backend Flash gets sorted this week.


F21 M140i - 100-200: 5.18 60-130: 5.96
Audi TTRS - 100-200: 4.01 60-130: 4.5
F80 M3 - 100-200: 4.32, 60-130: 4.8
F20 M135i (sold) - 100-200: 6.26 , 60-130: 7.4
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Default 02-01-2015, 09:07 AM

Quote:
Originally Posted by darkiedm4
That's what I am doing as well. Got LPFP stage2 from Steve already. And am awaiting his TB 525whp upgrade. Backend Flash gets sorted this week.
Good stuff darkiedm4!

I'm so jealous that you live so close to a re-mapper, lol. Do you run a ethanol blend or just straight pump fuel?

-Nick


2014 335i xDrive / Silver / ZF8 / M-Sport / 400M / BM3 2H Map / xHP Stage 3 / ATM FMIC / H&R Sports / VRSF **/CP
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Peter @ Pure's Avatar
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Default 02-01-2015, 09:13 AM

Quote:
Originally Posted by e46m3to335i
Good stuff darkiedm4!

I'm so jealous that you live so close to a re-mapper, lol. Do you run a ethanol blend or just straight pump fuel?

-Nick
I used to run a E30-E35 blend with meth. Once I have the Fuel-It TB upgrade I hope I can run E60 and drop the meth together with pure stage2.


F21 M140i - 100-200: 5.18 60-130: 5.96
Audi TTRS - 100-200: 4.01 60-130: 4.5
F80 M3 - 100-200: 4.32, 60-130: 4.8
F20 M135i (sold) - 100-200: 6.26 , 60-130: 7.4
peter@pureturbos.eu
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Default 02-01-2015, 10:00 AM

Do you know of any plans (by other vendors or yourself) on testing throttle body /port injection with meth injection?


Daily: G30 M550i JB4
Winter Beast: Audi S4 4.2L V8, Supercharger, brakes, suspension & exhaust mods
Wifes': F15 M50d clone, DUDMD tune, WMI, MPPK front & 50i rear brakes, M50d grill and trim
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Default 02-01-2015, 01:24 PM

Quote:
Originally Posted by e46m3to335i
Great info and write up Steve!! Do you have any recommendations for the EWG N55 guys? I would like to eventually run a E50-E60 blend with a Pure stage 1 or 2 once the F series backend flashing gets started. Thanks in advance!

-Nick
Once we get in some more TBI setups we'll be putting one on our N55 to verify and will have more info at that time.


Quote:
Originally Posted by CHECKERED
Do you know of any plans (by other vendors or yourself) on testing throttle body /port injection with meth injection?
We don't have any plans of testing this, don't know of anybody testing it, nor would we recommend it.

Frankly if you're running moderate to high concentrations of ethanol, we don't believe there is any reason to run meth. Especially when you are injecting it. That's a big part of the reason all of this development and work has been done, to eliminate the need for meth as fuel.



Click on our banner to visit our website!
Video of our Stage 2 LPFP upgrade installation.

BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways.
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Default 02-01-2015, 02:09 PM

Thanks for the write up! I'll be buying a LPFP very soon!


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deemarr 335i deemarr 335i is offline
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Default 02-01-2015, 02:29 PM

Very nice
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Default 02-01-2015, 07:13 PM

Booyaa!


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SOLD: 2007 E90 335i | PS2's | JB4 | 160k+ miles on the car, 120k+ miles on the JB4

Log, log, then log some more...
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Steve @ BMS/Fuel-It!'s Avatar
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Default 02-01-2015, 07:48 PM

We added the question about running meth with port or throttle body injection to the Q and A, but here is the long answer.

There are three reasons why people run meth.

1. To increase the octane levels when running more aggressive tunes and lower quality fuels such as 91 or 93 unleaded. If you are using one of these solutions you most likely aren't running low quality fuels and if you are, you shouldn't tune as aggressively. If you still need meth injection, then you should consider an HPFP upgrade until there is more data available.

2. To supplement fueling. This has been very common for those that have max'd out their stock fuel system. These solutions resolve that issue.

3. To lower their intake air temperatures. Most people running these types of solutions are already running significant amounts of ethanol or higher quality fuels. When injecting ethanol in to the air stream, you get some additional benefit in the form of cooling and mixing as well as further oxygenating the mixture. In addition, when running high ethanol concentrations your fuel mixture becomes much more resistant to detonation and intake air temperatures aren't as important as they are with gasoline that is much more likely to detonate. Consequently this can all be taken in to consideration when your car is being tuned and those timing compensation tables can be adjusted accordingly.



Click on our banner to visit our website!
Video of our Stage 2 LPFP upgrade installation.

BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways.
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Default 02-02-2015, 12:42 AM

Mind blown! Everything is much clearer now. I was under the impression that I needed to get a stage 2 pump to fully utilize the VTT stage 2 turbos, but they max out at around 520ish whp. So with that being said, the stage 2 pump would be overkill for what I need and the stage 1 would be the best choice.


E92 Chameleon AT 335I/ MMP Stage 3 turbos/ EOS manifold w PI/ PR Stage 3 Modular LPFP/ JB4 G5 + MHD/ BMS DCI/ BMS Cowl Filters/ BMS Sport Oil Cooler Valve/ BMS OCC/ BMS Meth Kit/MMP inlets and outlets/ER CP w/ Synaspe BOV/ M2 Exhaust/VRSF DP/ETS FMIC/ /N20TMAP/ R1 Concept Rotors and Brakes/ST V1 Coilovers/ 888Concept headlights/
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Default 02-02-2015, 01:46 AM

Quote:
Originally Posted by Shadow007
Mind blown! Everything is much clearer now. I was under the impression that I needed to get a stage 2 pump to fully utilize the VTT stage 2 turbos, but they max out at around 520ish whp. So with that being said, the stage 2 pump would be overkill for what I need and the stage 1 would be the best choice.
Stage 1 or Stage 2 are adequate for your needs.

For those that are budget conscious and don't mind the additional steps for the installation, Stage 1 is a good option. For those that are looking for a plug and play installation and are running higher concentrations of ethanol, we recommend Stage 2.

While obviously more expensive (so take this with a grain of salt), I think those that have installed and ran both will agree that if possible, Stage 2 is the better option. We prefer it for a few reasons.

1. Walbro warranties the Stage 2 pump for a year, there is no warranty for the Stage 1 pump when used with ethanol.
2. The installation is easier and customers tend to feel more comfortable with running the single pump as opposed to the stock pump and an inline pump.
3. The condition of the customer stock pump is no longer questionable as that pump is replaced when installing a Stage 2.

Completely up to the user but we like to make sure they are aware of the differences.



Click on our banner to visit our website!
Video of our Stage 2 LPFP upgrade installation.

BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways.
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Stucks Stucks is offline
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Default 02-02-2015, 04:40 AM

This thread is awesome! Should def be stickied and updated accordingly!


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Default 02-02-2015, 10:06 AM

Steve, you rock man. I personally respect your knowledge and especially your time for all that you have done for this community!
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Default 02-02-2015, 10:33 AM

Quote:
Originally Posted by SteveAZ
...Frankly if you're running moderate to high concentrations of ethanol, we don't believe there is any reason to run meth.
People that rely on meth for fueling is why it has a bad reputation, because these are the people who melt plugs and blow engines running 100% methanol and later blame the meth injection kit.
Quote:
Originally Posted by SteveAZ
That's a big part of the reason all of this development and work has been done, to eliminate the need for meth as fuel.
I use it to make the car more consistent in hot weather, slight bump in power and cleaner timings, also the water component is an awesome safety system that you can’t get with E85 or Race gas or Port injection or TB injection...


Daily: G30 M550i JB4
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Default 02-02-2015, 12:49 PM

Hi Steve,

Up here in Canada we do not have access to e85 at all. With that being said our best source of fuel is 94 Octane from Petro Canada. I wanted to know what the benefits would be with an upgraded fuel system? My car details is as follows:

Car Information:

2008 BMW 335i e92 ~83,000km

Mods:

1. JB4 G5 ISO (ISO version 28.5)
2. Luke Performance backend flash
3. Full Bult On (intercooler, down pipe, chargepipe, etc..)
4. Stainless Steel Meth Setup with 80/20 meth/water mixture, dual DO5 nozzles to spray.
5. Quaife LSD
6. BC Racing Coilovers
7. M3 control arms all around
8. M3 Rear Sway Bar
9. Powerflex urethane subframe and Differential bushings
10. AE ***-back exhaust (2.5")

JB4 G5 ISO settings/configuration:

1. Set option 4/2 to ignore DME boost
2. set open fuel loop to 0 (3D fuel scalar used in flash)
3. FUD= 2 disable open fuel loop learning
4. Set CPS 7000= 4 (to show raw ignition timing)

With my current car setup will one of your fuel system upgrades yield any substantial benefits that should persuade me to pull the trigger?
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Steve @ BMS/Fuel-It!'s Avatar
Steve @ BMS/Fuel-It! Steve @ BMS/Fuel-It! is offline
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Default 02-02-2015, 09:02 PM

Quote:
Originally Posted by gunda
Hi Steve,

Up here in Canada we do not have access to e85 at all. With that being said our best source of fuel is 94 Octane from Petro Canada. I wanted to know what the benefits would be with an upgraded fuel system? My car details is as follows:

Car Information:

2008 BMW 335i e92 ~83,000km

Mods:

1. JB4 G5 ISO (ISO version 28.5)
2. Luke Performance backend flash
3. Full Bult On (intercooler, down pipe, chargepipe, etc..)
4. Stainless Steel Meth Setup with 80/20 meth/water mixture, dual DO5 nozzles to spray.
5. Quaife LSD
6. BC Racing Coilovers
7. M3 control arms all around
8. M3 Rear Sway Bar
9. Powerflex urethane subframe and Differential bushings
10. AE ***-back exhaust (2.5")

JB4 G5 ISO settings/configuration:

1. Set option 4/2 to ignore DME boost
2. set open fuel loop to 0 (3D fuel scalar used in flash)
3. FUD= 2 disable open fuel loop learning
4. Set CPS 7000= 4 (to show raw ignition timing)

With my current car setup will one of your fuel system upgrades yield any substantial benefits that should persuade me to pull the trigger?
I personally don't see any benefit to you running an upgraded fuel pump or supplemental fuel system given your mods and your lack of access to E85.

Sounds like you have a nice meth setup, I'd stick with that.



Click on our banner to visit our website!
Video of our Stage 2 LPFP upgrade installation.

BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways.
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Americus Americus is offline
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Default 02-08-2015, 08:35 AM

With some recent synod showing stock frames in excess of 600hp what option would you recommend for turbos and inlets? I'm guessing two or three if port in injection is being used to supplement.
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chuckd05 chuckd05 is offline
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Default 02-08-2015, 08:08 PM

i still dont believe we are running 100% e85 on any cars lol kinda sad it took this long but hurray for the present time we live in


e92
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Default 02-08-2015, 09:16 PM

Quote:
Originally Posted by Americus
With some recent synod showing stock frames in excess of 600hp what option would you recommend for turbos and inlets? I'm guessing two or three if port in injection is being used to supplement.
Over 600whp on 100% E85 definitely needs Stage 3. That said, it also depends on how aggressively you're going to tune and what mix you're going to run to reach your goals. Turbos and inlets won't necessarily hit that and we can't say definitively for any particular application because they are all unique. For example, some tuners will run AFR's in the mid 11's...others run 12.6, and some have run even higher. Add in all the other variables and my opinion is better safe than sorry, but also to be honest about your goals.

Quote:
Originally Posted by chuckd05
i still dont believe we are running 100% e85 on any cars lol kinda sad it took this long but hurray for the present time we live in
LOL...yeah, there has been a lot of progress made. Now if we could get some of that done with the transmissions...that'd be nice!



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Video of our Stage 2 LPFP upgrade installation.

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viperware viperware is offline
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Default 02-22-2016, 03:35 PM

Steve, can you make a stage 3 pump assembly for the E60? I just picked up some pure stage 2s and Jesse said I am going to run out of fuel up top with the stage 2 lpfp if I am targeting 650hp.


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Join Date: Oct 2012
Car: 135i
Default 02-23-2016, 09:58 AM

We don't have a Stage 3 option for the E60 at this time.

Also, a lot has changed since this thread was started, so I have begun editing it to bring it up to date. It's currently "under construction" and I will be adding information and updates over the next day or so when I have time.



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