Quote:
Originally Posted by PNTDG42
JB4 is not a tuner either, it is only a boost controller. Tuning requires ECU unlock in Finland.
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you are mixing flash tune with tune. not all tunes are flash tunes.
the jb4 is certainly a tuner, not a simple boost controller.
the BMS stage 1 or JB+ is a boost controller, a lot of the piggybacks on the market are boost controllers. the JB4 is not one of them.
Its got so many more features. It also can make the ECU alter the timing to make more power, not just boost.