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  1. Yellow substance on dipstick

    E39 M5 and E52 Z8 Discussion
    I have been smelling a bit of a burning plastic smell after I go for short drives in the M5. It might be unrelated, but I decided to check my oil level today and found this. This is after I cleaned it off and put it back in. I also don't remember my dipstick ever looking crooked like...
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