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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 N54 Fuel Pump Upgrade



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      10-16-2012, 09:42 PM   #1
Mike@N54Tuning.com
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Possible N54 Fuel Pump Upgrade

Came across this interesting news for you high HP guys. Finally some more progress is being made on the N54 fueling system. This is a Walbro F90000267 E85 pump rated at 400LPH @ 80psi and from 800-950hp. As of the last update it's installed and running well.

For current info check out the DIY section on N54tech. Its updated regularly with more current info.

Mike
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Last edited by Mike@N54Tuning.com; 06-26-2013 at 12:08 PM.
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      10-16-2012, 09:45 PM   #2
E90Company
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Finally a REAL fuel pump upgrade!! Fantastic work guys!
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      10-16-2012, 09:47 PM   #3
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eta ?

excited?
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      10-16-2012, 09:54 PM   #4
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Insane! Walbro is the industry standard!
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      10-16-2012, 10:08 PM   #5
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What's the predicted fueling limit given this upgrade--assuming whatever flashes are needed to give more fueling headroom tuning-wise?
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      10-16-2012, 10:10 PM   #6
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Quote:
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Finally a REAL fuel pump upgrade!! Fantastic work guys!
+1
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      10-16-2012, 10:10 PM   #7
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I'm so on this!
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      10-16-2012, 10:48 PM   #8
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      10-16-2012, 11:03 PM   #9
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Atleast theres no secret with you guys, Nice find, keep us posted!
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      10-17-2012, 01:53 AM   #10
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Interesting.
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      10-17-2012, 02:18 AM   #11
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      10-17-2012, 02:24 AM   #12
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Simple DIY with a $200 pump. Nice! I appreciate the part number
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      10-17-2012, 02:49 AM   #13
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Quote:
Originally Posted by tomz_335i View Post
Insane! Walbro is the industry standard!
Actually, I would say Bosch is generally the industry standard, but yes, Walbro makes great pumps too. They sure are noisy though.
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      10-17-2012, 06:15 AM   #14
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Very nice find! Thanks for the part # and the DIY!
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      10-17-2012, 06:55 AM   #15
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Quote:
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Actually, I would say Bosch is generally the industry standard, but yes, Walbro makes great pumps too. They sure are noisy though.
According to Terry this walbro pump is not louder than the oem one.
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      10-17-2012, 07:22 AM   #16
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Awesome!
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      10-17-2012, 09:44 AM   #17
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$179 ftW!!!
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      10-17-2012, 10:02 AM   #18
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Quote:
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eta ?

excited?
1. Google part number
2. Find best price
3. Overnight parts from Japan
4. Decimate all
5. Ménage à trois
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      10-17-2012, 10:03 AM   #19
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sub'd
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      10-17-2012, 10:10 AM   #20
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Quote:
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Actually, I would say Bosch is generally the industry standard, but yes, Walbro makes great pumps too. They sure are noisy though.
I was going to say the same thing but thought not to get into a debate. My Walbro 255 did the job for a long time but couldn't keep up like the Bosch 044 (1.8t big turbo application).

However, Walbro makes a well priced product that gets the job done.
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      10-17-2012, 10:14 AM   #21
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I wonder if the pump can keep up with the stock fuel system well above power ratings, as well run 6 high impedance injectors on a secondary fuel rail. I hate to run 2 fuel systems but to get reliable band aid free power this is the route Im looking into. Whats the total flow capacity of the lines with this pump at the 13 volts would that be enough to support 500hp with 93 octane alone.
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      10-17-2012, 10:17 AM   #22
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I'm gonna get on this for sure
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