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    • The most powerful F10 550i - Gintani tuned N63TU with Pure Turbos Stage 1 turbochargers hits 655 rwhp

      Huge numbers here out of a BMW F10 550i with the Pure Turbos Stage 1 N63TU turbocharger upgrade. Keep in mind the graph you are about to see is from a Mustang dyno meaning this is easily a 700+ rwhp car on a Dynojet.


      That also means it will eat a stock F10 M5 for lunch. Compare the stock output to upgraded turbo and meth tuned numbers:


      It's a night and day difference. The N63TU is an awesome value with a turbo upgrade.

      Keep in mind this is just scratching the surface. A Pure Stage II or larger turbo upgrade should produce much more power but the transmission will no doubt become a concern and upgrades for the automatic are much harder to come by than the M5 DCT.

      Awesome numbers.

      This article was originally published in forum thread: The most powerful F10 550i - Gintani tuned N63TU with Pure Turbos Stage 1 turbochargers hits 655 rwhp started by Sticky View original post
      Comments 35 Comments
      1. Bowser330's Avatar
        Bowser330 -
        This automatic upgrade issue is going to be a concern for the F90 M5......
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by Bowser330 Click here to enlarge
        This automatic upgrade issue is going to be a concern for the F90 M5......
        If they start making monster torque out of the gate someone is going to need to come up with an upgrade fast.

        It's going to be a nightmare knowing BMW's electronics.
      1. MSIZZLE's Avatar
        MSIZZLE -
        to each his own but i don't see the point in modding a 550 this far, if you can afford those mods just get an m5. Why start behind the ball??
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by MSIZZLE Click here to enlarge
        to each his own but i don't see the point in modding a 550 this far, if you can afford those mods just get an m5. Why start behind the ball??
        1. It's way cheaper
        2. Sleeper
        3. Some people may not want a dual clutch
        4. You can get it with AWD I believe?
        5. Wagon?
      1. nbrigdan's Avatar
        nbrigdan -
        If you can do this same upgrade for the AWD models it would make a lot of sense to go for something like this rather than a B6 Alpina which is 4x the cost. Also, used 5-series are dirt cheap, holy.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by nbrigdan Click here to enlarge
        If you can do this same upgrade for the AWD models it would make a lot of sense to go for something like this rather than a B6 Alpina which is 4x the cost. Also, used 5-series are dirt cheap, holy.
        Exactly!
      1. Stevenh's Avatar
        Stevenh -
        Click here to enlarge Originally Posted by MSIZZLE Click here to enlarge
        to each his own but i don't see the point in modding a 550 this far, if you can afford those mods just get an m5. Why start behind the ball??
        Afford these mods? These turbos aren't even $3,000.
      1. AMGAffalterbach's Avatar
        AMGAffalterbach -
        I think the TU motor is better, but my only trepidation about this platform is the awful reliability. A close friend of mine owns an independent shop where he specializes in Mercedes and BMW and the number of N63 pictures/stories he sends me of valve guides failing or electrical system issues is crazy. I question how stout these motors really are too from knowing people that have modded them.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by AMGAffalterbach Click here to enlarge
        I think the TU motor is better, but my only trepidation about this platform is the awful reliability. A close friend of mine owns an independent shop where he specializes in Mercedes and BMW and the number of N63 pictures/stories he sends me of valve guides failing or electrical system issues is crazy. I question how stout these motors really are too from knowing people that have modded them.
        Supposedly the N63TU's are much better in this area.

        He mostly sends you N63 issues?
      1. AZTWW's Avatar
        AZTWW -
        These would be great on the x5 50i. Same value prop as the 550i to M5 as 50i to X5M. A 700hp SAV for us that need something "family" sized.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by AZTWW Click here to enlarge
        These would be great on the x5 50i. Same value prop as the 550i to M5 as 50i to X5M. A 700hp SAV for us that need something "family" sized.
        Exactly what I was thinking as well.
      1. lulz_m3's Avatar
        lulz_m3 -
        The only reservation i have with these DI TT v8's is that cleaning the intake valves requires removal of the engine. The intake/exhaust has been swapped to facility the turbos being in the "V" of the engine, so the intake ports are where the headers would typically be, not leaving enough space to perform a carbon blasting, which on these engines should probably be done every 50k miles. That's a huge ridiculous expense when there are other options available.

        Other then that, these engines seem to be VERY reliable and a great "tuning value" that is underappreciated.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by lulz_m3 Click here to enlarge
        The intake/exhaust has been swapped to facility the turbos being in the "V" of the engine, so the intake ports are where the headers would typically be, not leaving enough space to perform a carbon blasting, which on these engines should probably be done every 50k miles. That's a huge ridiculous expense when there are other options available.
        Wasn't aware of that. Definitely an absurd expense but what can you do?
      1. Bowser330's Avatar
        Bowser330 -
        Click here to enlarge Originally Posted by lulz_m3 Click here to enlarge
        The only reservation i have with these DI TT v8's is that cleaning the intake valves requires removal of the engine. The intake/exhaust has been swapped to facility the turbos being in the "V" of the engine, so the intake ports are where the headers would typically be, not leaving enough space to perform a carbon blasting, which on these engines should probably be done every 50k miles. That's a huge ridiculous expense when there are other options available.

        Other then that, these engines seem to be VERY reliable and a great "tuning value" that is underappreciated.
        what about running methanol through the valves, does that help extend the 50K mile cleaning service interval?
      1. Weehe's Avatar
        Weehe -
        Click here to enlarge Originally Posted by lulz_m3 Click here to enlarge
        The only reservation i have with these DI TT v8's is that cleaning the intake valves requires removal of the engine. The intake/exhaust has been swapped to facility the turbos being in the "V" of the engine, so the intake ports are where the headers would typically be, not leaving enough space to perform a carbon blasting, which on these engines should probably be done every 50k miles. That's a huge ridiculous expense when there are other options available.

        Other then that, these engines seem to be VERY reliable and a great "tuning value" that is underappreciated.
        Has it been confirmed the N63TU needs cleaning every 50k miles? I know the N55 doesn't seem to need any cleaning, or maybe once over 100k miles.
      1. lulz_m3's Avatar
        lulz_m3 -
        Click here to enlarge Originally Posted by Bowser330 Click here to enlarge
        what about running methanol through the valves, does that help extend the 50K mile cleaning service interval?
        In my experience it does very little to reduce buildup. I ran meth injection on my n54 for 4 years, still did carbon blasting every 50k.
      1. lulz_m3's Avatar
        lulz_m3 -
        Click here to enlarge Originally Posted by Weehe Click here to enlarge
        Has it been confirmed the N63TU needs cleaning every 50k miles? I know the N55 doesn't seem to need any cleaning, or maybe once over 100k miles.
        I dont own one, but its a DI engine and no manufacturer has done something to address the issue. 50k is my own self imposed maintenance interval, but ive seen n54's/55's that never have it done until it becomes an obvious drivability issue, which seems to be 80-100k miles.
      1. biz77's Avatar
        biz77 -
        Click here to enlarge Originally Posted by AMGAffalterbach Click here to enlarge
        I think the TU motor is better, but my only trepidation about this platform is the awful reliability. A close friend of mine owns an independent shop where he specializes in Mercedes and BMW and the number of N63 pictures/stories he sends me of valve guides failing or electrical system issues is crazy. I question how stout these motors really are too from knowing people that have modded them.
        First gen N63 issues. Stay away from a N63 if you value your bank account. N63TU = different story.

        Carbon buildup should pretty much be a non-issue on all of the second generation and beyond BMW DI engines. For example, all of the N55's I've seen at 80,000+ miles did not need any cleaning.

        And for those thinking this (or maybe even stage 2 turbos) would be sweet in an X5... I'm right there with you.
      1. lulz_m3's Avatar
        lulz_m3 -
        Click here to enlarge Originally Posted by biz77 Click here to enlarge
        Carbon buildup should pretty much be a non-issue on all of the second generation and beyond BMW DI engines. For example, all of the N55's I've seen at 80,000+ miles did not need any cleaning.

        That hasnít been my experience at all and i own an n55 and an n20 lol.
        @alex@ABRhouston what has been your experience?
      1. Weehe's Avatar
        Weehe -
        I own a N55 and it did not need valve cleaning at 80k miles, but I had everything so did it anyways. I doubt I will do it again until 200k.