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  1. Dash Light Fades After Startup

    E39 M5 and E52 Z8 Discussion
    After I start the car up the dash light fades and is not pitch black but very very dark. I can assume it is not the bulb because when the car is first started it is very bright. It is not as simple as scrolling the light adjuster (of course I have tried this). What do you believe the cause is...