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JB4 - Wet Weather Misfire

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  • JB4 - Wet Weather Misfire

    2019 MINI F54 with B38 engine. JB4 installed in default mode without OBD interface connected. Nice performance increase and am happy with the tuner, however have an intermittent misfire that only occurs when driving in the rain. Zero issues when not raining. Unit is wrapped in rubber bag and located next to battery under cover. Anyone with similar experience, or any suggestions on what I could try to resolve this issue?
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