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    N54: The flash sales continue! Need serious LPFP...

    The flash sales continue! Need serious LPFP power on a budget? Grab one of our single or double shot "stock series" bucketless COMPLETE offerings.

    59908




    ...
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    N54: Happy Thanksgiving everyone! Let's get this...

    Happy Thanksgiving everyone! Let's get this party started!

    59904

    https://performancefuelingsolutions.com/products/port-injection-kit?variant=6553771704348

    Basic PI DIY kit - $299 NOW...
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    N54: PFS Black Friday Sale!

    PFS Black Friday sale is here! 20% off of everything on the site -making the best deal in high flow fueling even better. In addition to 20% off, keep an eye out for a flash sale on Port Injection...
  4. N54: A little custom fueling work in progress...

    Hey all!

    Thought I'd post a couple pics of some current custom work going on at PFS. What we have here is a new top hat being modified to support both an externally routed second pump as...
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    N54: There are many respectable custom tuners out...

    There are many respectable custom tuners out there that use MHD. BuraQ, V8Bait, Wedge, Motiv, not to mention the latest group of "newer" tuners. Regardless problem isn't fueling related, as much as...
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    N54: I presume stock turbos? Who is doing your...

    I presume stock turbos? Who is doing your tuning? What fuel are you using? Reset all of your fueling-related adaptations, and do another log. In your 4th gear log you have some significant issues...
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    N54: Throw that CSV into datazap.me and post the link,...

    Throw that CSV into datazap.me and post the link, happy to take a look!

    Chris
  8. N54: Progress! Except the codes, but that's most...

    Progress! Except the codes, but that's most likely an install/wiring issue easily fixed.
  9. N54: Well... that's... interesting. I bet it sends...

    Well... that's... interesting. I bet it sends more fuel to the passenger side proportionately.

    At the end of the day a little higher PWM doesn't bother me too much, provided of course that you're...
  10. N54: Easy to add a little fuel to the driver's side...

    Easy to add a little fuel to the driver's side and test!
  11. N54: Cool, sounds like you're on track to figure this...

    Cool, sounds like you're on track to figure this out. Post pics!
  12. N54: And yes, it's totally possible to have things...

    And yes, it's totally possible to have things "too tight" in a stock bucket. The fix isn't jamming more $#@! in there, it's lower profile fittings (we got 'em), trimming the pump outlet sufficient...
  13. N54: It's ok to scrunch up the filters a little, but I...

    It's ok to scrunch up the filters a little, but I would orient the pumps such that it's not crazy and the two play nice together vs. full send it jamming the whole thing in there.

    The other thing...
  14. N54: Let me pull apart a filter real quick.

    Let me pull apart a filter real quick.
  15. N54: Hmmm. It ought to be making no noise at all...

    Hmmm. It ought to be making no noise at all (well, except for normal smooth electric motor noise). On "no new parts" and "right now" budget, in your shoes this is what I'd probably do:

    Things you...
  16. N54: It *sounds* and demonstrates as cavitation. Is...

    It *sounds* and demonstrates as cavitation. Is it possible the pump inlet is getting blocked? Do you run a filter on it, the ones we use have a spacer inside them so it's impossible to suck flat...
  17. Poll: N54: FWIW I'd subtract ~25-50 whp from those numbers. ...

    FWIW I'd subtract ~25-50 whp from those numbers. These cars are still a hoot at 550 whp and will last a very long time, plus to make that power on ethanol you don't need to go nuts on the tune...
  18. N54: It depends on too many things to just shout out a...

    It depends on too many things to just shout out a number and have it work for everyone, which is (one of) the reason(s) I test each sub-assy before testing each pump assembly.

    Restrictor size ~...
  19. N54: Sure thing! Some guys use restrictors on the...

    Sure thing! Some guys use restrictors on the line going to the Venturi; this works ok too, but I figured you might not have that available to try out, so the melt & drill method is next up at bat....
  20. N54: As for the Venturi, they’re sized for stock pump...

    As for the Venturi, they’re sized for stock pump and stock power levels. They’ll generally flow too much for an upgraded pump. If you remove the Venturi piece, on the underside use a heated up flat...
  21. N54: I haven't compared the two regulators in person,...

    I haven't compared the two regulators in person, but if you make a parts change and see a difference.... is your fuel pressure still good? What was the mileage on the old regulator?

    How did you...
  22. N54: Did you note the PWM change after changing out...

    Did you note the PWM change after changing out the regulator?
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    General: Really depends on your goals and how much PI...

    Really depends on your goals and how much PI you're flowing. Realistically, it's just not that big of a deal for most guys this kit is targeted at that want to flow a sane amount of extra fuel on a...
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    General: PFS Labor Day Port Injection Kit Sale!

    It's not to early to start thinking about Labor Day Sales.... so we have a BMW N54/N55 Port Injection Starter Kit Sale! This kit includes everything you need to get started with adding port...
  25. General: PFS Mother's Day Sale! Single Shot Bucket/Bucketless 15% off!

    Happy Mother’s Day! We’re always happy to meet more of you mothers and help you reach your motherfueling goals. Know any mothers that need a motherfueling pump to get them rolling on the high...
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