fuel mixture

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    e34 error, rich mixture

    Hello Gentlemen, I'm trying figure out why I keep getting an oxygen sensor error. I though maybe someone here might have came across this and has some insights. The car is e34 520i that has had a M50B25 swapped into it. I'm still using the Siemens DME and all the original sensors. The...
    • deepblueE34
    • Thread
    • 520i e34 fuel mixture rich
    • Replies: 1
    • Forum: E34
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