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  1. Nav Screen Issue - I can't be the first

    E39 M5 and E52 Z8 Discussion
    ok. 2002 M5 with mk3 setup. Suddenly, my screen display has either been freezing on its current view, or it goes to a gray screen. It might do that for a few minutes or days, then suddenly it works again. Now when that happens, all the knobs typically work. What never works when that...