Second, the engine control unit (ECU) Improvement

Optimizing engine control unit program 1.
According to automotive requirements in different regions, you can modify the engine control unit program to increase the engine power, to enhance vehicle dynamics purposes. When the car factory, manufacturers for some of the parameters of the engine control unit calibration to adjust the room left a large, improved engine control unit program can help maximize the potential of the engine. After the engine control unit of program modifications, requires the use of special instruments to detect road test, conditions can be detected in the eddy current dynamometer, in order to obtain more accurate data, to be completely re-adjust after loading a good road test.(bmw e36 coilovers)
Modify the engine control unit program can usually be divided into three kinds of methods: the first one is by changing the chip, plus installed board or re-write the program and other methods, the original car engine control unit to improve; second is not change the original car the engine control unit, but the auxiliary device connected to its output terminal, thereby changing the output signal of the original car computer, to achieve different control results; third is the replacement of a more powerful engine control unit.(nissan turbo)

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