JB1

Done! Thanks a lot Modshack!

I switched to the Bank 1 / Sensor 1 setting and It now shows a "proper" rich ratio of around 12~13:1 on open loop Opperation. So I guess the "general" setting is not the right one for our cars and that 17.5:1 reading in the "general" setting is indeed some kind of default. BTW, my long term fuel trim shows -8

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Black Fangs // Black rear Valance // Berk CBE // COBB post MAF tubes // K&N drop in filters // Setrab Oil Cooler // Stillen Sway bars // Z1 SS brake lines // Stillen brake cooling kit // Harness bar //