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  1. #1
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    S54 All motor mods.

    Just curious, incase I decide to get an E46.

    What is the best year to get?

    What power can I see from full exhaust, intake, manifold, TB, cams and light headwork with tune?

    Is this engine reliable? I heard something about the piston speeds in this engine being on the high side? Any oil burning issues, overheating etc...?

    I am just exercising the option that if I get one I want 320-350 whp all motor. Is that doable with the above mods?
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  2. #2
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    Click here to enlarge Originally Posted by DBFIU Click here to enlarge
    Just curious, incase I decide to get an E46.

    What is the best year to get?

    What power can I see from full exhaust, intake, manifold, TB, cams and light headwork with tune?

    Is this engine reliable? I heard something about the piston speeds in this engine being on the high side? Any oil burning issues, overheating etc...?

    I am just exercising the option that if I get one I want 320-350 whp all motor. Is that doable with the above mods?
    I think your goal is spot on with what you want to do. I've seen regular bolt ons+ tune hit 300whp mark on e46 m3. I think with cams and throttle body you can get more. maybe lightweight pulley too..
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  3. #3
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    You won't get 350 all motor. Basically, 320 is the upper limit without getting crazy and even getting up to there isn't easy.

  4. #4
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    S54 had some problems in past, but during recalls all got solved.

  5. #5
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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
    You won't get 350 all motor. Basically, 320 is the upper limit without getting crazy and even getting up to there isn't easy.
    All that stuff he is thinking about doing will cost as much as a sc kit if not more.
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  6. #6
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    True, a cheap SC kit is a better idea.

  7. #7
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    I agree with Sticky and GG. An entry kit cost about 5500$, and you'll get about 380whp. And you won't have to think about exhaust, cams, headwork or anything. So much easier..
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  8. #8
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    rep me for truth
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  9. #9
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    1 out of 1 members liked this post. Reputation: Yes | No
    I pulled 305whp with SS V2 Stepped headers, Magnaflow 200CEL cats, and Evolve Automotive Tune.

    I will be completely revamping my whole header, exhaust, and intake setup which should yield a good amount more power.

    The only thing is that it will be VERY expensive compared to going supercharged. To achieve those numbers and stay NA, I'd highly recommend the following:

    SuperSprint V1 Stepped Headers
    SuperSprint V1 SPipe
    Evolve Automotive CF Airbox
    Evolve Automotive Alpha-N Tune
    Turner Motorsports Under Drive Pullies
    -provided you dyno at an average 275whp, these mods should yield around 320-325whp-

    -if you want to push it further, add the following:-
    Shrick 288/280 cams
    VAC Motorsports Bored Throttle Bodies
    -this should hopefully achieve 335-340whp-

    You can keep going, but it gets exponentially expensive...
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  10. #10
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    Click here to enlarge Originally Posted by flipm3 Click here to enlarge
    I pulled 305whp with SS V2 Stepped headers, Magnaflow 200CEL cats, and Evolve Automotive Tune.

    I will be completely revamping my whole header, exhaust, and intake setup which should yield a good amount more power.

    The only thing is that it will be VERY expensive compared to going supercharged. To achieve those numbers and stay NA, I'd highly recommend the following:

    SuperSprint V1 Stepped Headers
    SuperSprint V1 SPipe
    Evolve Automotive CF Airbox
    Evolve Automotive Alpha-N Tune
    Turner Motorsports Under Drive Pullies
    -provided you dyno at an average 275whp, these mods should yield around 320-325whp-

    -if you want to push it further, add the following:-
    Shrick 288/280 cams
    VAC Motorsports Bored Throttle Bodies
    -this should hopefully achieve 335-340whp-

    You can keep going, but it gets exponentially expensive...
    All good suggestions and a great post. There is something special about NA power but even a basic SC will put out more power for less. It won't provide the same throttle response or power delivery though.

  11. #11
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    Click here to enlarge Originally Posted by GG///M3 Click here to enlarge
    rep me for truth
    lol
    i can't.. it says i need to spread love first..

    step headers are nice. they're also expensive as hell.
    before i went FI i had SS steps, oem csl intake, tune, etc but never dynoed it.
    i don't think you need the SS sec 1 slip section anymore as they have a bolt flange for the step headers now iirc.

  12. #12
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    1 out of 1 members liked this post. Reputation: Yes | No
    the NA mods were on an 02 6mt. i swear it felt like older s54s are more powerful than the newer builds (2003.5 - 2006). although the older ones did have recalls my 05 stock didnt feel as powerful as my 02 stock and i've noticed alot of pre-turbo hpf cars hit mid 280s that were 01-02...food for thought.

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