fga-motorsport chip

Hello

has anybody have tried fga-motorsport piggy back chip on a mgf/tf vvc or non vvc?

I am thinking of buying one for my mgf vvc but I've heard things that the radiator stops working and that it only actually does is that it fools that ECU that the car is always cold etc...

I guess that its not a cheap resistor unit and it should be working in an other way...



Any opinions?

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