Quote:
Originally Posted by msile
I am assuming that the Scaler is a MAF based ECU to be used without a MAF sensor by generating a simulated MAF voltage based on inputs from RPM, MAP and TPS...if so, do you not need a piggy back ECU in conjunction with the stock ECU?
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Yes you would, the stock ecu would control all other functions, the piggy back would control the fuel and timing tables... Question is whos sell a piggy back system? Form what I have been told and read the BMW software cannot be adjusted like how everyone in the world does.. I am about to give up on this car as far as tunning it, and leave it as it is..