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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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      01-24-2013, 08:51 AM   #23
AYF80
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I got Cash, Lets go...
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      01-24-2013, 09:21 AM   #24
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100% e85 FTW!!
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      01-24-2013, 03:51 PM   #25
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100% e85 FTW!!
Winning!!!!!
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      01-24-2013, 08:54 PM   #26
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This sounds really good.
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      02-09-2013, 08:16 PM   #27
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Who is it that is working on the hpfp upgrade?
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      02-19-2013, 06:12 PM   #28
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Just wondering if anything new has come up.
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      02-24-2013, 12:43 PM   #29
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me too
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      02-25-2013, 12:35 AM   #30
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I am new to the N54 cars, someone please help me understand something.
So these cars have two fuel pumps? The LPFP is the pump in the fuel tank? How about the HPFP pump, where is it located?
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      02-25-2013, 01:01 AM   #31
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hopefully this isn't a hot air post!
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      02-25-2013, 11:35 AM   #32
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Quote:
Originally Posted by 1nityrider View Post
I am new to the N54 cars, someone please help me understand something.
So these cars have two fuel pumps? The LPFP is the pump in the fuel tank? How about the HPFP pump, where is it located?




and... under the intake manifold

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      02-25-2013, 12:45 PM   #33
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What exactly fails on these HPFP? It's an electromechanical piece is it not?
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      05-13-2013, 09:23 PM   #34
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Where are we with the upgrade?

I can upgrade with you or spend my $$ somewhere else with another stock one....

Last edited by Japsfinest; 05-13-2013 at 09:51 PM.
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      05-13-2013, 09:28 PM   #35
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Where are with the updgrade?

I can upgrade with you or spend my $$ somewhere else with another stock one....


http://www.e90post.com/forums/showthread.php?t=828425
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      05-13-2013, 09:46 PM   #36
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Quote:
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Who is it that is working on the hpfp upgrade?
He can't give you that!!! And Tony, I am SOOOO in even though I probably won't need it, haha.
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      05-13-2013, 09:50 PM   #37
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Thanks for linking.
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      05-13-2013, 09:53 PM   #38
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Upgrade

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 doubt very much it will be cheap. The company that's doing it has to get paid and then Tony has to get paid finders fee. Not criticizing that's business!
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      05-14-2013, 12:06 PM   #39
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Quote:
Originally Posted by CaptainInsano
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.
What is the build date of cars with the new injectors?
Also what mix of e85 is safe on the stock fuel pump(s)?
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      05-15-2013, 07:30 AM   #40
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What ever happened with this? Was it put into production I wouldn't mind going 100% e85 soon.
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      05-16-2013, 02:57 PM   #41
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I just received my HPFP from Vargas yesterday. Shop is putting in today with Walbro 455 LPFP. Really looking forward to running 100% e85 this weekend. Pics and post coming soon.
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      05-16-2013, 03:14 PM   #42
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I just received my HPFP from Vargas yesterday. Shop is putting in today with Walbro 455 LPFP. Really looking forward to running 100% e85 this weekend. Pics and post coming soon.
what shop is installing it for you
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      05-16-2013, 03:35 PM   #43
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Prime Motoring is doing the install
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      08-29-2013, 08:47 PM   #44
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any updates on this, or dead project?
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