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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 > Possible future real LPFP and HPFP solution



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      01-23-2013, 05:16 PM   #1
Tony@vargasturbotech
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Possible future real LPFP and HPFP solution

We have shipped a fuel tank and bucket assembly to a very reputable company that manufactures drop in fuel pump solutions supporting upwards of 1500 HP on many platforms. They are going to be doing R&D and hopefully making us a real fuel pump solution on the LP side of things. This will be a replacement drop in bucket, which will hold one or two pumps of your choosing based on your HP needs and include all wiring needed to make it work. This is all the info I am going to give at this time. Do the DIY pump solutions work? Darn right they do, does the Vishu pump solution work, it sure does. But as the platform progresses, which it is quickly. It is going to start needing parts manufactured specifically for the task of supporting big HP. Hopefully we will be able to offer some of them in the future. Before questions start flooding the company doesn't even have the tank and bucket yet, supposed to get there monday. So this info is all I have. Also Ok Scratch that, you guys got me inspired so I called again. I spoke with a company that modifies HPFP's and they informed me that they have done extensive testing on the 335i HPFP and have stage one upgrade planned that does 30% more fuel and a stage 2 that does 60% more fuel. We are figuring out a deal to sell their pump upgrades. In the mean time they told me to send them my pump and they will do stage 1 on it and send it back for free, to test on stage 3 car. Needless to say its already boxed and going out today. We shall see how it goes.

Last edited by Tony@vargasturbotech; 01-23-2013 at 05:51 PM.
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      01-23-2013, 05:23 PM   #2
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Awesome, I can't wait to see what N54s can push once we get over the OE fueling limitations. That bottom end is a rock, I bet it'll handle pretty ridiculous power figures before it needs to be truly built.
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      01-23-2013, 05:30 PM   #3
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Quote:
Originally Posted by Vargasturbotech View Post
We have shipped a fuel tank and bucket assembly to a very reputable company that manufactures drop in fuel pump solutions supporting upwards of 1500 HP on many platforms. They are going to be doing R&D and hopefully making us a real fuel pump solution on the LP side of things. This will be a replacement drop in bucket, which will hold one or two pumps of your choosing based on your HP needs and include all wiring needed to make it work. This is all the info I am going to give at this time. Do the DIY pump solutions work? Darn right they do, does the Vishu pump solution work, it sure does. But as the platform progresses, which it is quickly. It is going to start needing parts manufactured specially for the task of supporting big HP. Hopefully we will be able to offer some of them in the future. Before questions start flooding the company doesn't even have the tank and bucket yet, supposed to get there monday. So this info is all I have. Also Ok Scratch that, you guys got me inspired so I called again. I spoke with a company that modifies HPFP's and they informed me that they have done extensive testing on the 335i HPFP and have stage one upgrade planned that does 30% more fuel and a stage 2 that does 60% more fuel. We are figuring out a deal to sell their pump upgrades. In the mean time they told me to send them my pump and they will do stage 1 on it and send it back for free, to test on stage 3 car. Needless to say its already boxed and going out today. We shall see how it goes.
You guys , you just extended Christmas eve....

Great work
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      01-23-2013, 05:36 PM   #4
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Lovely News!!!!
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      01-23-2013, 06:17 PM   #5
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This is huge! An upgraded hpfp has always been talked about but has never been thought of to be a reality! Thank you for pushing the envelope on this platform, a lot of people will be benefitting from your work
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      01-23-2013, 06:17 PM   #6
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awesome news!
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      01-23-2013, 06:28 PM   #7
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That is great news. Glad we could provide the inspiration.
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      01-23-2013, 07:40 PM   #8
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wow, this is great!
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      01-23-2013, 07:59 PM   #9
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In for upgraded HPFP! Good job and please keep us updated.

LPFP is not really a concern to me, as the DIY works well.
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      01-23-2013, 08:17 PM   #10
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Wow, you mean the solution isn't a booster HPFP?
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      01-23-2013, 08:22 PM   #11
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Tell them to keep the price down if they want to unload thousands and thousands of them
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      01-23-2013, 08:24 PM   #12
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In for HPFP solution FUCKING FINALLY. MS3's have had it figured out very quickly
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      01-23-2013, 08:30 PM   #13
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Quote:
Originally Posted by Lifted07Duramax View Post
Tell them to keep the price down if they want to unload thousands and thousands of them
I agree with keeping the price down, but you really don't need this with any of the currently available setups except RBs over 60% E85. Don't think that's a huge market, but people often buy things they don't need. I agree, soon with more turbo upgrades the market will be there.
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      01-23-2013, 08:39 PM   #14
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Quote:
Originally Posted by ign335i View Post
I agree with keeping the price down, but you really don't need this with any of the currently available setups except RBs over 60% E85. Don't think that's a huge market, but people often buy things they don't need. I agree, soon with more turbo upgrades the market will be there.
With the 335i being out for 6yrs Im surprised we dont have more turbo options
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      01-23-2013, 08:41 PM   #15
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Tony, do you know anyone that can upgrade the injectors?
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      01-23-2013, 09:27 PM   #16
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Quote:
Originally Posted by farbmw View Post
Tony, do you know anyone that can upgrade the injectors?
They can flow well over 1000cc/min. Why would they need to be upgraded (ever)?
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      01-23-2013, 09:29 PM   #17
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I have the diy lpfp, the stage 1 hpfp sounds delicious.
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      01-23-2013, 09:30 PM   #18
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Quote:
Originally Posted by ign335i View Post
They can flow well over 1000cc/min. Why would they need to be upgraded (ever)?
Failure rate.
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      01-23-2013, 10:33 PM   #19
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a real proven Auto Tranny upgrade would be awesome as well, I'm gonna get the Sage 3's after Fueling and Drivetrain is figured out on my car
transmissions suck

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      01-23-2013, 10:37 PM   #20
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Quote:
Originally Posted by farbmw View Post
Failure rate.
Upgraded in that they would fail less? Sure some of the early ones were bad, but the failure rate for new ones is pretty low. I am at 75k and 4+ years running E85 for the majority of it without any issue. These cars are temperamental and had injector issues in the beginning, but like the HPFP, that is mostly resolved. I would be worried more about someone making them worse at this point since the injectors are not servicable.
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      01-23-2013, 10:51 PM   #21
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Quote:
Originally Posted by ign335i View Post
Upgraded in that they would fail less? Sure some of the early ones were bad, but the failure rate for new ones is pretty low. I am at 75k and 4+ years running E85 for the majority of it without any issue. These cars are temperamental and had injector issues in the beginning, but like the HPFP, that is mostly resolved. I would be worried more about someone making them worse at this point since the injectors are not servicable.
+1

Mine are going on 40,000 hard tunes miles and are still working fine. If you haven't replaced your injectors you you might want to get the new ones. Injector problems are more often caused by bad coding.
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      01-24-2013, 12:06 AM   #22
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