My screen was dull for a couple days. I tried changing the brightness etc but it didn't look any better. I have the custom software which has OEM color and also the custom dark blue night mode coloring. I switched back and forth between the two and also tried split and full screen a few times. Nothing seemed to fix it. Then after a few days it went back to normal and looked fine again. I have no idea how it happend but maybe there is hope for you guys.

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2005 X5 4.8is
2002 E39 M5- sold
1995 E36 M3- sold