WinOLS 4.7 is a popular program for editing ECU (electronic control unit) firmware in cars. It is often used in the chip tuning industry, which improves the performance, fuel efficiency and other parameters of cars by changing the ECU software.
This program allows you to independently calibrate the electronic control units of various cars. For example, it has the ability to increase torque, engine power and reduce fuel consumption. Now such calibrations can be done not only by professionals, but also by ordinary car enthusiasts.

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