First, only the Durametric software, or a real PIWIS will turn the light off. That said. the cheap "PIWIS" is a Chinese knock off of the Durametric system that probably uses a clone of the really old Durametric software. So along with risking damaging your DME with an unknown system, you are also potentially undermining the only aftermarket firm that continues to support and develop diagnostic tools for the entire Porsche community, particularly the DIY segment.
So choose wisely................
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“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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