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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > BMS Fuel upgrade test results!



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      01-17-2013, 03:20 PM   #1
JMARS
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BMS Fuel upgrade test results!

http://www.n54tech.com/forums/showthread.php?p=246134
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      01-17-2013, 04:03 PM   #2
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Very interesting data. I'm glad someone made an attempt to clarify the options.
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      01-17-2013, 04:23 PM   #3
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That was some interesting test. So he mentioned that setup 4 would potentially cause stress on the electrical system and that's also how the Vishnu/FFTEC inline pump is setup, would that really be an issue?
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      01-17-2013, 05:22 PM   #4
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      01-17-2013, 06:27 PM   #5
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Would like to know what that means in terms of hp
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      01-17-2013, 07:58 PM   #6
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Why not just run two oem pumps , for those who dont want to run E85 ?

Less amps drawn and should be able to deliver for most aplications of 335i cars at present in regards to high HP outputs.
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      01-17-2013, 08:17 PM   #7
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Quote:
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Would like to know what that means in terms of hp
This was further down the thread, theoretical HP that it can support

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      01-17-2013, 08:27 PM   #8
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Someone's about to get banned lol
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      01-17-2013, 10:07 PM   #9
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It seems like the second setup is the most cost/labor efficient setup. I wonder if there would be any issues doing that?
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      01-17-2013, 10:58 PM   #10
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Courtesy of VargasTurboTech:

Quote:
Originally Posted by VargasTurboTech View Post
Ok so got the parallel rig put together and installed. Its honestly pretty straight forward. You have to leave out the stock pump holder, and rotate the stock pump slightly so the venturi nozzle is not in its holder just slightly off to the side. This will allow the Walbro to share the bucket with it, while the venturi still pulls from its original location. Once you do that the Walbro with its sock will fit into the bucket with the stock pump and they actually stay in place very well. Once you get the bucket lid back in place you will see if will not fit now, but all you have to is cut out a small section and it clears both pumps great. If you secure the bucket top with a couple wire ties you are good to go. I just powered both pumps in tandem off the stock plug, if this is an issue and it pops fuses we will have to address it then. Once you get to the lines its just 5/16" fuel line coming off both pump out lets fed around the collapsible leg and coming into a 5/16" Tee. Secure it all with clamps and this will be going to the orange line. I put some extra hose on the orange line to give it a little freedom to move in the tank so not to pinch anything. It all fits back in pretty nice and seems like it should work well. Took a few pics. But not too many. Now we at least hopefully wont have to worry about low fuel pressure once we get stage 3 installed. Cheers


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      01-18-2013, 01:01 AM   #11
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I have an old OEM pump if anyone wants to try
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      01-18-2013, 08:20 AM   #12
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Quote:
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I have an old OEM pump if anyone wants to try
If you have the whole bucket pump assembly I would definitely be willing to try and I'm local. Let me know I'm actually in Miami for work.
PM me
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      01-18-2013, 09:32 PM   #13
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Yup, I got it all done and installed. We shall see how it works once Stage 3 is finished. Looking like next week. Fabricator has it for final weldings, brackets, etc. Then some powder coating and away we go
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      01-19-2013, 03:22 AM   #14
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Quote:
Originally Posted by Vargasturbotech
Yup, I got it all done and installed. We shall see how it works once Stage 3 is finished. Looking like next week. Fabricator has it for final weldings, brackets, etc. Then some powder coating and away we go
I'm anxiously awaiting your results everyday on the forum!
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      01-19-2013, 12:26 PM   #15
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^^
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      01-19-2013, 07:31 PM   #16
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Quote:
Originally Posted by Vargasturbotech View Post
Yup, I got it all done and installed. We shall see how it works once Stage 3 is finished. Looking like next week. Fabricator has it for final weldings, brackets, etc. Then some powder coating and away we go
I really like what your doing, but why not see what you can get out of it with the fuel system not modded and then use the modifications later.
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      01-19-2013, 07:54 PM   #17
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Quote:
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Quote:
Originally Posted by Vargasturbotech View Post
Yup, I got it all done and installed. We shall see how it works once Stage 3 is finished. Looking like next week. Fabricator has it for final weldings, brackets, etc. Then some powder coating and away we go
I really like what your doing, but why not see what you can get out of it with the fuel system not modded and then use the modifications later.
The limitations of the stock fuel pump are already known.. Why waste the time?
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