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  1. #1
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    ProMeth N54/N55 direct port methanol injection system

    ProMeth does some wonderful direct port manifold designs for a variety of platforms and BMW's are no exception. Why the N54/N55? Well, a direct port methanol design ensures even distribution of methanol to each cylinder.

    Click here to enlarge

    If you have a highly tuned N54 the margin for error only decreases as you add power. The BMW ECU is very good at adjusting but don't count on it to save you should there be uneven distribution and a major lean condition under big boost pressure.

    This explains the idea well:

    Click here to enlarge Originally Posted by ProMeth
    BMW N54 and N55 inline six cylinder manifolds are particularly prone to distribution problems due to their design. As the center cylinders, 3 and 4, receive the most water methanol while the outside corner cylinders, 1 and 6, receive very little. Direct port solves the common distribution issues associated with single nozzle water methanol injection systems by placing a nozzle in each intake runner and allowing users the ability to precisely meter how much water methanol fluid is delivered to each cylinder.
    Obviously precision and safety are one aspect but don't forget helping with the carbon buildup problems N54's in particular are notorious for:

    Click here to enlarge Originally Posted by ProMeth
    ELIMINATE CARBON BUILD UP - BMW direct injection engines are prone to carbon build up on the backside of the intake valves. The main reason is that fuel and added detergents are not hitting the back of the intake valves as you have with port injection. By injecting the fuel directly into the cylinder instead of at the back of the valve, the gasoline and detergents canít clean the valve and port. Carbon is allowed to build up and can lead to an assortment of issues such as idle and drivability problems, loss of power, poor fuel economy, hard starts and misfire codes. Direct port water methanol injection solves this problem and is extremely effective at removing carbon build up on the backside of the intake valves and preventing future build up from occurring.
    Yes, the installation costs more and it is a bit more complex than a standard methanol setup but it is worth it for peace of mind alone.

    Click here to enlarge
    Features Include:

    • Billet aluminum logo engraved nozzle holders (hard coat black anodized)
    • ProMeth nozzles water methanol injection nozzles sized to customers build
    • Billet aluminum logo engraved distribution block (hard coat black anodized)
    • Pre-formed seamless stainless steel hoses w/4AN swivel nuts
    • Stainless steel braided hose with Teflon inner jacket w/4AN hose ends
    • Steel zinc plated tube flare back-up sleeves
    • Brass nickel plated flare-less compression fittings
    • Direct port system rated for over 1000 psi
    • Rated up to 400 degree's F
    • 100% methanol compatible

    Special Notes:

    • Does not include intake manifold - manifold shown in picture for display purposes
    • Does not require flaring of hoses - hoses come pre-flared on one end
    • Stainless steel hard lines are provided longer and require cutting for final installation
    • Stainless steel tube cutting tool required for installation
    • Adapter fittings for connecting 1/4" nylon tubing and 4AN stainless hose are provide
    • Customer may also send their manifold in to have us install the direct port injection. Call for for pricing.

    Click here to enlarge

    Click here to enlarge

    Click here to enlarge

  2. #2
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    Not a fan of the port meth or PMI stuff personally. If you have access to E85 then do port injection. If you don't do a twin nozzle chargepipe meth kit. Click here to enlarge
    Burger Motorsports
    Home of the Worlds fastest N20s, N54s, N55s, N63s, S55s, and S63s!

    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please see http://www.burgertuning.com/emissions_info.html for more information on legal requirements related to use of BMS parts.

  3. #3
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    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    Not a fan of the port meth or PMI stuff personally. If you have access to E85 then do port injection. If you don't do a twin nozzle chargepipe meth kit. Click here to enlarge
    It's certainly very complicated and finicky. 2 or 3 years ago I had a go at a DIY which looks alot like the above. It's far from ideal. I did it because nobody else was offering a product at the time and I was sick of waiting. It ended up costing quite a bit more than I anticipated and took alot of time to get right. It also requires constant maintenance and checking. It's hard to know if a single nozzle clogs. You want even flow across all ports and you want to minimise the tip in delay as much as possible, with the quickest cut off you can accomplish when you ease off the throttle.

    You definitely want injectors and measured fuel injection which the above doesn't do. You want a controller with fueling tables. If of course you can't go with a direct injection upgrade.
    Best:11.79@119mph on stock turbos.
    11.74@129 on GCs.
    FBO+Meth Port injection, GC Turbos, custom bucketless stage2, JB4, Trebila flash.

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    Click here to enlarge Originally Posted by AWSAWS Click here to enlarge
    It's certainly very complicated and finicky. 2 or 3 years ago I had a go at a DIY which looks alot like the above. It's far from ideal. I did it because nobody else was offering a product at the time and I was sick of waiting. It ended up costing quite a bit more than I anticipated and took alot of time to get right. It also requires constant maintenance and checking. It's hard to know if a single nozzle clogs. You want even flow across all ports and you want to minimise the tip in delay as much as possible, with the quickest cut off you can accomplish when you ease off the throttle.

    You definitely want injectors and measured fuel injection which the above doesn't do. You want a controller with fueling tables. If of course you can't go with a direct injection upgrade.
    Can you discuss the maintenance and checking? I've been toying with the idea of DP Meth to get the most out of my turbo.
    N54 ACF 6466 Meth MOTIV / E70 #1 JBD / E70 #2 JBD

    Got Boost?
    Click here to enlarge

  5. #5
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    Even when working perfectly, there just isn't a big performance or distribution advantage over 2 nozzles properly placed in the chargepipe, IMHO, making the whole thing not worth the headache and complication.
    Burger Motorsports
    Home of the Worlds fastest N20s, N54s, N55s, N63s, S55s, and S63s!

    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please see http://www.burgertuning.com/emissions_info.html for more information on legal requirements related to use of BMS parts.

  6. #6
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    I'm sure 2 nozzles work for most people.

    IMO, whether methanol or nitrous, direct port with a high end controller is as good as it gets and simply can not be beaten for even distribution.

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    This separates the men from the boys:

    Click here to enlarge

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    This separates the men from the boys:

    https://www.BoostAddict.com/images/i...1dfaff_b-1.jpg
    No, this is what actually separates the men from the boys:

    Click here to enlarge
    Burger Motorsports
    Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.

  9. #9
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    Click here to enlarge Originally Posted by Payam@BMS Click here to enlarge
    No, this is what actually separates the men from the boys:

    Click here to enlarge
    Ok that's a nice fuel injector? What does it have to do with meth or nitrous distribution though?

  10. #10
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    I'm sure 2 nozzles work for most people.

    IMO, whether methanol or nitrous, direct port with a high end controller is as good as it gets and simply can not be beaten for even distribution.
    In theory it sounds great, and with the JB4 running point on safety for bank to bank trim variance (if an injector flows less, clogs, etc) it's decently safe. But the performance gains are just not there relative to the headache/cost, in my experience. The fluid has less time to atomize than with CP injection. We offer the port meth injection kits and customers make the decision to spend more on them for various reasons, but IMHO it's a misconception that performance is dramatically superior.
    Burger Motorsports
    Home of the Worlds fastest N20s, N54s, N55s, N63s, S55s, and S63s!

    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please see http://www.burgertuning.com/emissions_info.html for more information on legal requirements related to use of BMS parts.

  11. #11
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    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    but IMHO it's a misconception that performance is dramatically superior.
    You're right it's ultimately up to the customer but for me it's more for even distribution than any particular performance advantage.

    It also depends on how much meth, nitrous, etc., you are flowing.

  12. #12
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Ok that's a nice fuel injector? What does it have to do with meth or nitrous distribution though?
    This is what a REAL methanol injectior looks like. 7000CC, it's not even an injector it's basically just a valve LOL. What 4-6k hp cars run, not your silly childs play nitrous.
    Burger Motorsports
    Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.

  13. #13
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    Click here to enlarge Originally Posted by Payam@BMS Click here to enlarge
    This is what a REAL methanol injectior looks like. 7000CC, it's not even an injector it's basically just a valve LOL. What 4-6k hp cars run, not your silly childs play nitrous.
    Ok well when my BMW is racing NHRA Pro Stock cars I'll consider it.

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Ok well when my BMW is racing NHRA Pro Stock cars I'll consider it.
    Click here to enlarge we can all dream, right? In all seriousness though, I've test meth PI 2 years ago. Doesn't work as well as one may think.
    Burger Motorsports
    Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.

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    Click here to enlarge Originally Posted by Payam@BMS Click here to enlarge
    Click here to enlarge we can all dream, right? In all seriousness though, I've test meth PI 2 years ago. Doesn't work as well as one may think.
    What's with this attack on direct port injection? It's a longstanding proven option with multiple fuels.

    You have no problem adding supplemental port fuel injectors to each cylinder, right? But direct port meth doesn't work well? Why not?

    Why is it you don't use one large supplemental port fuel injector which would keep the cost and complexity down?

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    What's with this attack on direct port injection? It's a longstanding proven option with multiple fuels.

    You have no problem adding supplemental port fuel injectors to each cylinder, right? But direct port meth doesn't work well? Why not?

    Why is it you don't use one large supplemental port fuel injector which would keep the cost and complexity down?
    Several tests that's why Click here to enlarge... We have thousands of our own nozzles made why would't we want to promote that LOL!?

    You would need check valves for it to work correctly and that is a restriction of flow. Not cheap either, that's another reason.

    Actually in the the cobalt SS world they did that. They added a fifth injector in the middle of the intake manifold and called it a day lol.
    Injectors work better with vacuum, that's basically the main reason.
    Burger Motorsports
    Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.

  17. #17
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    1 out of 1 members liked this post. Yes Reputation No
    this has been out for a while now, bought this and i loved it on my car, did its job. i got 6 nozzles on the intake, 1 directly after intercooler for iat cooling, and one in the chargepipe to supply fuel for nitrous. never sprayed but car saw 27psi with stage 1 vargas turbos with all the upgrade options on e50, e40, e30 and never had any issues supplying fuel. would have gone further with it but stuff went south

    anyway yeah this is a great product and does what its supposed to. prometh is a great company and is well known in plenty of other aftermarkets and the packaging, as well as customer service was great too
    '08 535xi - fbo

  18. #18
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    Click here to enlarge Originally Posted by Payam@BMS Click here to enlarge
    We have thousands of our own nozzles made why would't we want to promote that LOL!?
    I think that sums it up. You're promoting your product and what you carry which is fine. Implying direct port doesn't work though or isn't a good way to go is disingenuous though.

    Click here to enlarge Originally Posted by Payam@BMS Click here to enlarge
    Actually in the the cobalt SS world they did that. They added a fifth injector in the middle of the intake manifold and called it a day lol.
    Right because it's a $2000 car with a $200 motor that owners can spend $20 in mods on. If it breaks, who cares?

    You won't see a Porsche 991 Turbo adding fuel with a large single injector and then praying each cylinder gets the right amount of fuel.

    There is a reason they shell out for a Syvecs to control six additional port injectors. Hell, the ECU is worth more than a Cobalt.

    TPC Tuning was laughed out of the Porsche forced induction game precisely because their fuel system upgrade consisted of an additional injector instead of a properly upgraded fuel system.

    Again, you aren't running a single additional injector on your any of your BMW's now are you?

  19. #19
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    I think that sums it up. You're promoting your product and what you carry which is fine. Implying direct port doesn't work though or isn't a good way to go is disingenuous though.



    Right because it's a $2000 car with a $200 motor that owners can spend $20 in mods on. If it breaks, who cares?

    You won't see a Porsche 991 Turbo adding fuel with a large single injector and then praying each cylinder gets the right amount of fuel.

    There is a reason they shell out for a Syvecs to control six additional port injectors. Hell, the ECU is worth more than a Cobalt.

    TPC Tunin was laughed out of the Porsche forced induction game precisely because their fuel system upgrade consisted of an additional injector instead of a properly upgraded fuel system.

    Again, you aren't running a single additional injector on your any of your BMW's now are you?
    We made a bunch to sell for that reason, why would we sell or promote something that does not work. We don't do scummy business like that.
    My point is that we have thousands of meth nozzles ready to sell for methanol PI. We ditched it cause it didn't work dude.
    I tested, it didn't work and ditched it. Stop trying to argue, you didn't do it or test it.

    Yes, Joe. I actually am running two injectors into my M5 for fueling. It works MUCH better than meth kits IMO.
    Companies like us do the testing with real world data and results. Not just sell something because we thing it looks good and should work on paper.

    Click here to enlarge

    Click here to enlarge

    Click here to enlarge

    Click here to enlarge
    Burger Motorsports
    Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.

  20. #20
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    Click here to enlarge Originally Posted by Payam@BMS Click here to enlarge
    We made a bunch to sell for that reason, why would we sell or promote something that does not work. We don't do scummy business like that.
    I'm sure your approach works very well. Who said otherwise?

    Click here to enlarge Originally Posted by Payam@BMS Click here to enlarge
    My point is that we have thousands of meth nozzles ready to sell for methanol PI. We ditched it cause it didn't work dude.
    I tested, it didn't work and ditched it. Stop trying to argue, you didn't do it or test it.
    I'm not arguing your test didn't work but I am arguing that direct meth injection works very well when done right and can not be beaten for even distribution.

    Click here to enlarge Originally Posted by Payam@BMS Click here to enlarge
    Yes, Joe. I actually am running two injectors into my M5 for fueling. It works MUCH better than meth kits IMO.
    Companies like us do the testing with real world data and results. Not just sell something because we thing it looks good and should work on paper.
    Dual CPI I guess? One of these? https://www.bimmerboost.com/content....8-S63TU-motors

    Yes, that's better than a single injector like I stated.

    I'm not criticizing your approach either or saying it doesn't work for you. Stop being sensitive Payam.

    My M5 would run this though:

    Click here to enlarge

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    Most definitely can it work right, yes. Does the cost and complexity make sense when there are actual proven fueling options out, no.

    When that PI kit actually comes to fruition let me know. I'll have my motor dropped and ready for when we need to install that LOL.
    Burger Motorsports
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    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.

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    Click here to enlarge Originally Posted by Payam@BMS Click here to enlarge
    Most definitely can it work right, yes. Does the cost and complexity make sense when there are actual proven fueling options out, no.
    So it's good there are options for consumers, right?

    Click here to enlarge Originally Posted by Payam@BMS Click here to enlarge
    When that PI kit actually comes to fruition let me know. I'll have my motor dropped and ready for when we need to install that LOL.
    No idea but the design sure looks pretty. Worth waiting for, definitely.

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    So it's good there are options for consumers, right?

    No idea but the design sure looks pretty. Worth waiting for, definitely.
    Yes, but this is not the correct way though LOL! You need check valves sir, that is what we're trying to get you to understand.
    It becomes a restriction, and costs more. In the end you can just get a traditional injector for that price and have much better control and reliability.

    That's why they're doing PI with injectors, not nozzles right Click here to enlarge.
    Burger Motorsports
    Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.

  24. #24
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    Click here to enlarge Originally Posted by Payam@BMS Click here to enlarge
    Yes, Joe. I actually am running two injectors into my M5 for fueling. It works MUCH better than meth kits IMO.
    Companies like us do the testing with real world data and results. Not just sell something because we thing it looks good and should work on paper.

    Click here to enlarge

    Click here to enlarge
    Are you injecting fuel or Meth thru these 2 extra injectors?
    MILVs- +1mm Increase Intake Valve Lift for N52, N55, S55, N20 Engines
    http://www.bimmerboost.com/showthrea...ift-more-power

  25. #25
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    Click here to enlarge Originally Posted by CobraMarty Click here to enlarge
    Are you injecting fuel or Meth thru these 2 extra injectors?
    I am personally running e50 blend, so fuel. You can run this with methanol though as well, these injectors from fuel it are compatible.
    Burger Motorsports
    Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.

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