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I don’t think you can code the exhaust valve to be open all the time. You’ll have to unplug the exhaust valve controller when the valve is open or use something like JB4 to keep the valve open all the time (I have a JB4).
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Current:
2020 BMW 330i xDrive
2018 Audi SQ5 Prestige
2017 Audi A7 Prestige
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