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Default Fuel-It! Throttle Body Port Injection Testing - 05-26-2015, 11:14 AM

Sup guys, just got finished getting all the logs and pics sorted out for you all to see. We tested the Fuel-it! Throttle Body Port Injection solution on our STOCK TURBO N54 development car. I am saying solution because it is most definitely a solution. It surpassed my expectations in every way possible.

Lets start off with some pictures with the car apart and the TB/PI ready to be installed and put back together after it's done. It is a very clean and easy install, only took about an hour for me. Thanks again to @SteveAZ for this awesome kit, and thanks to @Terry@BMS for letting us test it out!






The car is an 07 e90 335i 6MT. It has, BMS DCI, 3" ********* **, VM Custom CP w/ Tial BOV, Walbro Inline 255, Jb4, BB e85 Flash by BMS. We just filled up from our local e85 station with full e85 in the tank. Along with new TB PI just installed. All runs were done in Map 7, in Mexico.

Here are two logs of the car WITHOUT the TB/PI working. You can see HPFP starts falling off mid-range, and picks back up near redline. LPFP is oscillating as well too, struggling to keep demand.

Log 1: No PI 1



Log 2 : No PI 2



Now this is with the ground attached to the hobbs switch. These two logs are with the TB/PI working now. You can see a VAST difference in smoothness of HPFP and LPFP. It was unreal to me how clean these logs looked with full e85. Take a look for yourself and be amazed. This is a real solution with real world testing and results, and we could not have been happier.


Log 1 : PI 1



Log 2 : PI 2



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It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. 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. Please click here for more information on legal requirements related to use of BMS parts.
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Default 05-26-2015, 11:21 AM

nice



'08 535xi 6m, ACT 6 Puck Race Clutch / AR Design **'s / AFE Twin Power DCI / VTT Inlets / VRSF CP / TIAL BOV / Big Tom style IC / Fuel-It Stg2 LPFP / NGK 5992's @.022 / N20 T-Map / MHD Flash....100% e85 @24psi on stock snails!
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Default 05-26-2015, 11:47 AM

Damn nice!


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Default 05-26-2015, 12:39 PM

Your HPFP is better than most I have seen with straight E85; however, there is definitely a big improvement with the TB kit. I was surprised the FP_L smoothed out so much since it is still doing a lot of work. The kit definitely looks like another homerun from Fuel-it.


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Default 05-26-2015, 05:02 PM

LOL...awesome, glad to see it's working well for you!

Thanks for the feedback!



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Video of our Stage 2 LPFP upgrade installation.

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Default 05-26-2015, 06:26 PM

Quote:
Originally Posted by musc
Your HPFP is better than most I have seen with straight E85; however, there is definitely a big improvement with the TB kit. I was surprised the FP_L smoothed out so much since it is still doing a lot of work. The kit definitely looks like another homerun from Fuel-it.
I was thinking the same thing LOL. When I was reading the logs, I'm like crap are you sure you pulled the ground off the hobbs? Once we put the PI, it made a HUGE difference. Car is smooth and linear pull.

Quote:
Originally Posted by Steve @ BMS/Fuel-It!
LOL...awesome, glad to see it's working well for you!

Thanks for the feedback!
Anytime man! Great solution, and can't wait to test on some upgraded stock frame turbos!


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Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. 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. Please click here for more information on legal requirements related to use of BMS parts.
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Default 05-26-2015, 07:34 PM

Excellent! Thanks for the detailed feedback and the before and after comparison. I will definitely be looking at this upon release. Your HPFP on 100% E85 looks like my HPFP on E55


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Default 05-26-2015, 07:34 PM

Quote:
Originally Posted by musc
Your HPFP is better than most I have seen with straight E85; however, there is definitely a big improvement with the TB kit. I was surprised the FP_L smoothed out so much since it is still doing a lot of work. The kit definitely looks like another homerun from Fuel-it.
Quote:
Originally Posted by FastGti69
I was thinking the same thing LOL. When I was reading the logs, I'm like crap are you sure you pulled the ground off the hobbs? Once we put the PI, it made a HUGE difference. Car is smooth and linear pull.
Bump it up to 20psi and the stock HPFP doesn't stand a chance.



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Video of our Stage 2 LPFP upgrade installation.

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MDORPHN MDORPHN is offline
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Default 05-26-2015, 08:22 PM

Good stuff, Steve.

How have you verified equal distribution among the cylinders?

Neil
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Default 05-27-2015, 07:54 AM

any concern about the isolation AFR?


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Default 05-27-2015, 12:33 PM

Quote:
Originally Posted by MDORPHN
Good stuff, Steve.

How have you verified equal distribution among the cylinders?

Neil
Any cylinder that gets less fuel, will also get less air, so while it may be down on power due to this equation, it won't affect the AFR's or octane levels.

Quote:
Originally Posted by CHECKERED
any concern about the isolation AFR?
Not sure what you mean by this.



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Video of our Stage 2 LPFP upgrade installation.

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Default 05-27-2015, 01:18 PM

Hopefully to see these kits in production soon!


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Default 05-27-2015, 01:25 PM

nice! interesting.. can someone explain why the lpfp seems to be more stable? I would think this would put more stress on the lpfp, but less on the hpfp


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Default 05-27-2015, 01:42 PM

Quote:
Originally Posted by iturbo
nice! interesting.. can someone explain why the lpfp seems to be more stable? I would think this would put more stress on the lpfp, but less on the hpfp
The low pressure fuel pressure sensor is located just few inches up stream from the fuel volume control valve of the HPFP. At higher load, the control valve will work very hard to supply the fuel that is needed for the HPFP, causing spikes and inconsistent fuel pressure in the low pressure system.


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Default 05-27-2015, 01:50 PM

Quote:
Originally Posted by Steve @ BMS/Fuel-It!
Not sure what you mean by this.
there are (seemingly random) jumps and dips in AFR, mostly on bank 2.

I took the liberty to remove none related columns and rows.
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Default 05-27-2015, 01:51 PM

Quote:
Originally Posted by iturbo
nice! interesting.. can someone explain why the lpfp seems to be more stable? I would think this would put more stress on the lpfp, but less on the hpfp
The LPFP sensor is about 6's away from the HPFP's FCV, so that opening and closing to control flows will cause shock waves that the LPFP sensor reads.

A lot of things can play in to how active that FCV is such as adaptions, demand, LPFP pressures, etc. No question introducing supplementary injection reduces the volume demand on the HPFP, but it's turning the same number of revolutions and targeting the same pressures no matter what. We're just helping it achieve those when demand surpasses it's capabilities .



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Video of our Stage 2 LPFP upgrade installation.

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Default 05-27-2015, 02:16 PM

Quote:
Originally Posted by CHECKERED
there are (seemingly random) jumps and dips in AFR, mostly on bank 2.

I took the liberty to remove none related columns and rows.

Hard to say for sure. I wouldn't really consider those to be large fluctuations and the reality is that we are introducing supplemental fuel that the DME doesn't have any control over. It is using the O2 sensors and the direct injection to obtain the target AFRs. So there can be some learning as well as I see some logs that are smoother than others both with TBI and without.



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Video of our Stage 2 LPFP upgrade installation.

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Default 05-29-2015, 08:13 PM

I want one. Test, buy, whatever...I want one. 100% E85 all the way. Where do I sign?



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Default 06-06-2015, 07:22 PM

Quote:
Originally Posted by fryj00
I want one. Test, buy, whatever...I want one. 100% E85 all the way. Where do I sign?
+100000 I'm in all the way! Steve would you suggest upgrading to a stage 3 bucket before going with this? I'm over having to mix my gas every time I fill up lol


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Default 06-06-2015, 07:52 PM

Quote:
Originally Posted by fryj00
I want one. Test, buy, whatever...I want one. 100% E85 all the way. Where do I sign?
same here let me know when are you going to start testing them/ selling them for n55 motors im down for one


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Default 06-06-2015, 09:25 PM

If I wasn't upgrading my turbo's I would be all over this!

Last edited by PR3CI5N335i; 06-07-2015 at 12:26 AM..
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Default 06-07-2015, 05:37 PM

As I asked over at the BB forum, how about a group buy with LPFP stage 2 bucket? This will be awesome for stocker turbo guys like me.
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Default 06-07-2015, 08:07 PM

Quote:
Originally Posted by DV135i
+100000 I'm in all the way! Steve would you suggest upgrading to a stage 3 bucket before going with this? I'm over having to mix my gas every time I fill up lol
No, Stage 3 isn't needed.



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Video of our Stage 2 LPFP upgrade installation.

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Default 06-08-2015, 12:16 AM

Quote:
Originally Posted by Steve @ BMS/Fuel-It!
No, Stage 3 isn't needed.
How can I get ahold of this??? my car is now dialed in almost perfect except for the hpfp not being able to keep up all the time.


~JB4 G5 iso~BMS E85 Backend Flash~VTT Inlets~BMS DCI~BMS Low Temp Thermostat~BMS OCC~BMS Modified Clutch Valve~BMS Clutch Stop~335is Clutch~ER Competition FMIC Kit w/ HKS SSQV~3"AR **'s~3" Custom exhaust~RB PCV Valve~SteveAZ Stage 2 Bucket~Avant Garde M359 18x8.5 +35 18x9.5 +33~
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Default 06-10-2015, 10:40 PM

Got the car back together tonight and did some test runs. Nothing worth posting a log for at the moment, since I can only pump in 6 gal of e85 with a near 3/4 full tank of 93 still in the tank (so approx. e40 mix). But the kit is definitely working, fuel trim decrease significantly after the Hobbs switch turns on and my fp_h is reading higher than ever.

Will report back again once I get some full e85 in the tank.


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