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  1. #26
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    Tony why the taper up top? Turbine housing? I've seen a 3076r with a .63 hold 30psi to redline. Just wondering why this one won't. I assume it's due to the much smaller turbine housing.
    2011 335is DCT, collecting parts....


  2. #27
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    Click here to enlarge Originally Posted by bigdnno98 Click here to enlarge
    Tony why the taper up top? Turbine housing? I've seen a 3076r with a .63 hold 30psi to redline. Just wondering why this one won't. I assume it's due to the much smaller turbine housing.
    I honestly don't think its the housing, but we will see, we honestly do not know yet. Right now the JB is maxing out at 20 psi, so it cant ask for more than that, as the BP, EGT, shaft speed builds, I am assuming its going to have to ask for more than its actually going to see. I do not know much about the stack, but I was told the N55 Jb is maxed at 20, so if its asking for 20, its seeing 18. I am confident this thing will hold 20 psi to redline. We shall see

  3. #28
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    Tuning aside what do you thing the housing will support to redline? Is this the 20psi you're talking about? It'd be awesome to see 30psi peak with 25psi at 7000rpms.
    2011 335is DCT, collecting parts....


  4. #29
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    Wow, freaking awesome numbers. Glad to see the N55 finally catching up!
    Click here to enlarge
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    It really doesn't look all to complex to me. What does your kit consist of? Built housing and manifold. We are in the midst of getting a lift and engine hoist. With those, your DIY, time and Vargas consulting and two fairly skilled (non-mechanic but systems engineers) be capable of this task?


    Click here to enlarge Originally Posted by VargasTurboTech Click here to enlarge
    Its harder to install than an N54. Possibly cause it was my first one, but we are recommended these only be installed by shops. It's a time consuming, difficult job.

  6. #31
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    Click here to enlarge Originally Posted by bigdnno98 Click here to enlarge
    Tuning aside what do you thing the housing will support to redline? Is this the 20psi you're talking about? It'd be awesome to see 30psi peak with 25psi at 7000rpms.
    I don't see why you couldn't run 30 psi down low of you wanted to. The turbo would do it that's for sure. As far as 25 psi to 7K, that I am not sure about. The housing is a good size, but it is a housing built for spool over top end power. We have plenty of time to find out.

  7. #32
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    Click here to enlarge Originally Posted by iuhutch Click here to enlarge
    It really doesn't look all to complex to me. What does your kit consist of? Built housing and manifold. We are in the midst of getting a lift and engine hoist. With those, your DIY, time and Vargas consulting and two fairly skilled (non-mechanic but systems engineers) be capable of this task?
    our kit is only slightly more difficult than a stock turbo to install, but bring a seasoned N54 turbo installer, the N55 to me was tougher, and there are plenty of things to go wrong.

  8. #33
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    Click here to enlarge Originally Posted by VargasTurboTech Click here to enlarge
    I don't see why you couldn't run 30 psi down low of you wanted to. The turbo would do it that's for sure. As far as 25 psi to 7K, that I am not sure about. The housing is a good size, but it is a housing built for spool over top end power. We have plenty of time to find out.
    It's pretty awesome. I love that wheel combo. I have a feeling it'll be all the turbo that motor can handle.
    2011 335is DCT, collecting parts....


  9. #34
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    Great results! Glad to see the N55 coming into its own.
    Eppur si muove.

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    1 out of 1 members liked this post. Reputation: Yes | No
    Post shift power is pretty solid too. This is a 3->4 on the dynojet.
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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 see http://www.burgertuning.com/emissions_info.html for more information on legal requirements related to use of BMS parts.

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    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    Post shift power is pretty solid too. This is a 3->4 on the dynojet.
    Oh yeah! That thing is making power all the way to redline. Once you get the new map sensor on there, you should be able to do that with 500WHP+ as long as the fuel system can keep up, that is a bad ass wheel combo it should keep pulling, its not a fluke we picked it, when you see a GT3582 rated at much lower power levels then a smaller wheel combo, you know the smaller set is working together nicely. Good dyno info right there.

    Did we just create a stock frame N54 killer...Click here to enlargeClick here to enlarge
    Last edited by Tony@VargasTurboTech; 12-11-2013 at 10:24 PM.

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    There's so much damn positivity! I love it.

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    N55 FTW....I mean in some sense it's BMW new platform...

    it gives me a stiffy realizing the power of these two collaborating again Click here to enlarge

  14. #39
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    Click here to enlarge Originally Posted by iuhutch Click here to enlarge
    it it gives me a stiffy releasing the power of these two collaborating again
    lulz

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    A six pack of beer and loads of future excitement got the best of me Click here to enlarge

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    Nice Job

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    Click here to enlarge Originally Posted by bigdnno98 Click here to enlarge
    Tony why the taper up top? Turbine housing? I've seen a 3076r with a .63 hold 30psi to redline. Just wondering why this one won't. I assume it's due to the much smaller turbine housing.
    The manifold has some pretty serious bends in it too if you saw the sectioned one earlier. Not as nice as N54 turbos.

    Also maybe the stock inlet tube could be starting to slow things down a little at these power levels.

    Its also valvetronic. If cobb figures out those tables and makes them accessible, could be some goodness in there as well. Recall he n55 has slightly larger valves and cam adjustment range vs the n54 head. Time will tell!
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  18. #43
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    Awesome news. Can't wait to see that turbo with 28lbs boost and e50 mix. 550whp all day.
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    Nice to see it all worked out in the end. The difference up top is amazing, must feel great all the way up to redline.

    I look forward to seeing how things workout with some more boost.
    jb4+fbo+meth

  20. #45
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    Hi Tony.
    Isn't this thing faster than a Stage 2.2 N54 when it reaches 500whp/650ft-lb?

    Click here to enlarge Originally Posted by VargasTurboTech Click here to enlarge
    Oh yeah! That thing is making power all the way to redline. Once you get the new map sensor on there, you should be able to do that with 500WHP+ as long as the fuel system can keep up, that is a bad ass wheel combo it should keep pulling, its not a fluke we picked it, when you see a GT3582 rated at much lower power levels then a smaller wheel combo, you know the smaller set is working together nicely. Good dyno info right there.

    Did we just create a stock frame N54 killer...Click here to enlargeClick here to enlarge

  21. #46
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    Article: N55 tuning goes to the next level - Vargas N55 turbo upgrade with BMS JB4 tuning dyno results - 468 wheel horsepower

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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 see http://www.burgertuning.com/emissions_info.html for more information on legal requirements related to use of BMS parts.

  22. #47
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    Promoted this to the front page with some minor edits. Terry, look at how beautiful your attachments look inserted inline and centered Click here to enlarge

    Intro paragraph added.

    Well done everyone. Looking forward to the crossing of the 500 whp barrier.

  23. #48
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    It can only go up from here....Great job Terry And Tony!

  24. #49
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    Props to Tony and Terry for seeing this through... This on a DCT 135i would be pretty damn awesome... esp when boost is raised even more
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  25. #50
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    I'm liking this for an X3.

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