How many horsepower are you guys getting from your E36 M3 Evo?

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  1. How many horsepower are you guys getting from your E36 M3 Evo? 
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    My E36 M3 EVO only makes 270 hp. It has 69000 km on the odo and the measurement was done at 36 celcius running on 95 Gasohol( this is the only fuel available in Bangkok) Where should I look for fualts robbing my power output?
     
     

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    yours is well down. Get it on a diagnostics machine to check for faults
     
     

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    Was that at the wheels or the fly?
    Also take into account the low grade fuel....high temparature and age...In SA M3's get good gains by been mapped to the fuel that they use also 95...you may see good gains by mapping yours to the fuel you have there A diagnostics will also point out any faults or dodgy sensors you may have
     
     

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    I was going to point out the very high temp as well. High air temp can knock loads off of engine output. Combined with the 95ron fuel. IIRC they are supposed to run on 98ron.
    These are a very high spec engine, and really need the best fuel to get the best out of the engine...

    Another thing to remember is that very rarely do euro M3 Evo's give out the power BMW say they do. I personally think you should be getting 300bhp out of your engine. You will struggle to get the full power on the rollers with that air temp, even if the rolling road OP used the fans. 300bhp and I would be happy....
     
     

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    ZXraziel (20-06-2010)

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    I have alredy got it on a diagnostic machine and everything seem to be in order. I would be very happy with anything close to 300 HP. My friend has the same standard setup and he got 297 HP tested at 36 celcius air temp(three degrees lower than when I tested mine.) I will try again when the air is a little cooler. About the RON95, besides being doen on power, will it be bad for this high spec engine in the long run?
     
     

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    There are lot's of air pipes under the inlet manifold and if one of these has a very small leak/split/hole in it then this will reduce power considerably.

    Are there any exhaust blows in front of the lambda sensors?

    What is your fuel consumption like?

     
     

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    Just wondering. When changing fuel, say from 98 unleaded to 95 gasohol, will the ECU adjust itself right away? Or it needs some time to accumulate data before adjusting. How long does it take or it does not adjust itself at all? The reason I ask is becuase before the dyno test was done my car was running on 98 unleaded. For the dyno test it has just been switch to running on 95 gasohol for about 1/4 tank. Could this be one of the reason I'm only getting 270 HP?
     
     

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    When was the last time the valve clearences were checked? I know people do run M3's on 95 ron but i'd try to avoid it if at all possible. If I needed to run it, I'd either avoid loading it up or would use octane booster.
     
     

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    With nothing else but new clutch installed, I took it to the dyno again this morning. This time get 293 HP and 340 nm. Test was done at 33 Celcius and RON 95 feul.
     
     

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    Quote Originally Posted by Pop315 View Post
    With nothing else but new clutch installed, I took it to the dyno again this morning. This time get 293 HP and 340 nm. Test was done at 33 Celcius and RON 95 feul.

    Even with a 3 degree difference, it's made a huge difference to the engine !

    Whats the temp's like in winter over there ?
     
     

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