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  1. puzzled on "E-box-fan" & "Function check TEV"

    E39 M5 and E52 Z8 Discussion
    Hello all, With the weather so nice, I decided to do something about an SES that's been bugging me for months. I was getting three codes consistently: E-box fan, Function check TEV, and Engine temp plausibility. After some searching, I read that one of us thought they had fixed the fan problem...