2002 E46 M3 - turbo power!!! - Page 5

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View Poll Results: turbo an E46 M3 ready for USC?

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  • Yes, get another loan and do it!!! we want to see 500bhp M3 going up the strip

    23 63.89%
  • no, waste of time. Just have a beer or two and watch other people blow up there pride and joy!!

    13 36.11%

Thread: 2002 E46 M3 - turbo power!!!

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  1.  
    #41
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    A turbo.
    does a car come with a supercharger these days?
    no , cause they are not as efficient at making power. A turbo running less boost will make same power as a supercharger setup. Less boost = more safety.

    A smaller turbo boosting sooner running same boost as SC kit, will make more power everywhere as long as the SC is centrifugal.

    Turbo >>>> SC kits
    I´m only biased to the facts.
    With great challenges comes great engineering.
    Gunnar Reynisson @ Cosworth
     
     

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  3.  
    #42
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    Or you can get one of these new screw turbos that new BMW have they are good no lag and a lot of power.
    My BMW history= E36 318IS, 323I,Mini Cooper, E46 320 D SE and now E39 530D. awesome
     
     

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    #43
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    Quote Originally Posted by shiku84 View Post
    Or you can get one of these new screw turbos that new BMW have they are good no lag and a lot of power.
    Are you meaning a vvt, vnt turbo?


    Turbo all the way if your going to do it properly, peeps saying that it will be unreliable are talking pony, if done right and a combined with a safe tune it should be just as reliable as the stock motor. I would not want to add to much boost to a motor running 11.3:1 though unless you plan on running it on race fuel all the time.
     
     

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    #44
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    Up to 500 hp should be safe for M3 engine if build corectly , i personaly prefer turbo to supercharger , best way to go - small turbo , lower compresion forged pistons , big intercooler , forged rods , good remap .

    Money eating monster .
     
     

  6.  
    #45
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    i have built supercharged (two types!) and turbocharged cars (retro VW's) using the same engine and although the turbo obviously makes more power you have lag giving a big dent in the torque curve.....you just can't beat the linear torque curve of a supercharger for a forgiving engine that pulls hard from any rpm in any gear.

    If your aim is pub talk bhp, go for a turbo.....

    If only the E46 M3 had enough room for compound turbocharging
     
     

  7.  
    #46
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    how about doing something like VW and use a small turbo AND a supercharger so you get the best of both worlds
     
     

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    #47
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    Quote Originally Posted by eazy e View Post
    how about doing something like VW and use a small turbo AND a supercharger so you get the best of both worlds
    compound turbocharging does the same thing but without the need for a supercharger
     
     

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    #48
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    you dont need a turbo when you can buy this: http://cgi.ebay.co.uk/BMW-E36-E46-E3...item5ad6afcd86
     
     

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    Bernard the E46 (01-08-2010)

  11.  
    #49
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    Quote Originally Posted by gstuning View Post
    SC is less efficient and runs hotter.
    Just stating facts.
    that's not strictly true.. it depends on what type of supercharger set up you're referring to.. a centrifugal type then yes - a twin screw type on the other hand is extremely efficient..

    * 2016 BMW M135i LCI (F20): current
    * 2016 Mercedes Benz GLA 200d AMG Line (X156): current
     
     

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    #50
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    Quote Originally Posted by pangster View Post
    that's not strictly true.. it depends on what type of supercharger set up you're referring to.. a centrifugal type then yes - a twin screw type on the other hand is extremely efficient..
    Not as efficient as a centrifugal turbocharger.
    With great challenges comes great engineering.
    Gunnar Reynisson @ Cosworth
     
     

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