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  1. #1
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    Maximum PSI Stage 3 E46 M3 stock DME tuned turbo kit shows over 800 horsepower

    Maximum PSI as many of you know has been hard at work on E46 M3 turbo kits tuned by Nick G of Technique Tuning on the stock BMW engine control unit. We have already seen 697 wheel horsepower from their Stage II kit on a Dynojet and now they working on their Stage 3 (with a Stage 4 coming as well) built motor application and on a Superflow Autodyn chassis dyno the result is 809.2 horsepower at the wheels.

    There is definitely more to come but so far early on Maximum PSI and Technique Tuning are showing the ability to tune built motor S54 setups on the stock DME which nobody has successfully done. Yes, it's not easy.

    The second graph shows Maximum PSI hitting ~18 psi of boost on pump gas for 660.8 wheel horsepower. It will be interesting to see the Stage III on a Dynojet. Keep in mind, with dropped compression on a built motor one generally will make less power per pound of boost than at the OEM compression ratio.

    The turbocharger used is a Precision 6466. The fuel is MS109 for the first graph and pump gas for the second graph. The exhaust system is a 3.5 inch design that is catless.

    BimmerBoost will of course be watching closely but this is a great start.

    Click here to enlarge

    Click here to enlarge
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

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    must be such a fun car
    09 6AT 335i Coupe M-Sport - SOLD
    Current - 16 Jeep Wrangler - Few Mods
    Looking for a n54 project e90/e82

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    That's for the props. But slight correction Sticky.....that's 809 rear wheel horsepower, not crank.

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    doh!!! ^^^^^ that should say "Thanks for the props."

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    Click here to enlarge Originally Posted by NickG Click here to enlarge
    That's for the props. But slight correction Sticky.....that's 809 rear wheel horsepower, not crank.
    No prob but isn't that an engine dyno?
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

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    1 out of 1 members liked this post. Reputation: Yes | No
    No, that's not an engine dyno. Maximum PSI currently has a Superflow Autodyn 30 rear wheel chassis dyno installed.

    Notice at the top of the graph it says "Corrected Wheel Power vs. RPM".

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    Click here to enlarge Originally Posted by NickG Click here to enlarge
    No, that's not an engine dyno. Maximum PSI currently has a Superflow Autodyn 30 rear wheel chassis dyno installed.

    Notice at the top of the graph it says "Corrected Wheel Power vs. RPM".
    I see the corrected output but I thought the graph would state it's an Autodyn chassis instead of a Superflow engine. Thanks, I'll edit.
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

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    Edited and corrected, thanks @NickG
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

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    Maxpsi dyno reads 7-8% lower then dyno jet.
    My Fbo c63 made 435 on there super flow and on dyno jet it made 465.

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    Click here to enlarge Originally Posted by Mthis Click here to enlarge
    Maxpsi dyno reads 7-8% lower then dyno jet.
    My Fbo c63 made 435 on there super flow and on dyno jet it made 465.
    I don't doubt you. It's going to be fun to see this on a Dynojet.
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

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    Looks like an awesome car to drive! Congrats! I'd drive a built motor TT e46 M3 any day Click here to enlarge
    2011 335is DCT, collecting parts....


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    Very nice! The e46 m3 is a great platform. This kit must be so fun
    Click here to enlarge
    ESS 6XX kit

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    The E46 M3 just keeps displaying its greatness! Amazing work.

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    Awesome!! Especially on Stock DME tuning I love what Nick G and Maximum PSI are doing...
    PERFORMANCE: Cobb AP \ JB4 \ DCI \ AR Downpipes \ CX FMIC \ ER Chargepipe \ Synapse BOV \ KW V2 \ Muffler Delete \ CDV \ ZHP Shifter \ Cyba Scoops
    FUN: LC Lemans 19" \ M3 Front \ Mtech Rear \ JL 10W6 \ ModMyNav \ V1 Hardwired \ LUX H8 \ Gloss Black Trim \ Cyba Quads \ Cyba Mtech Diffuser

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    I believe RK-Tunes also can DME tune the S54, if I am not mistaken.

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    Click here to enlarge Originally Posted by BigM62 Click here to enlarge
    I believe RK-Tunes also can DME tune the S54, if I am not mistaken.
    Definitely but not for a turbo kit.
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

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    Damn, sick hp numbers! So in a street trim application, what's the best route for putting the power to the ground? Sticky wheels and suspension? Just asking.

  18. #18
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    100 mile per hour rolls

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    1 out of 1 members liked this post. Reputation: Yes | No
    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Definitely but not for a turbo kit.
    RK-Tunes Tuned
    OBD2 MS41.2 Stock Ecu
    MMR's 800+whp M roadster !
    ICS built engine/ Turbo kit
    4094r

    Sticky, please check pm as I do not want to distract form this awesome build.
    26-27psi
    Ms109 fuel

  20. #20
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    If that's what I'm thinking it's an m52/s52. Maximum psi and technique tuning are not vendors so this article is a courtesy to begin with. Distract away with good info!

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    Great job as always best tuner and a great turbo kit from Max psi.

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    meh. its not even the highest power 6466 bmw to come out of maxpsi this week!

  23. #23
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    Click here to enlarge Originally Posted by black bnr32 Click here to enlarge
    meh. its not even the highest power 6466 bmw to come out of maxpsi this week!
    Feel free to share the others.
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

  24. #24
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Feel free to share the others.
    +1 let's see them
    Click here to enlarge
    ESS 6XX kit

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    I'd expect to see this thing crack 9s soon in the quarter.

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