Ah, the ole bulb out phenomena. My old Ford Explorer has had 2 bulbs in 10 years. The computer never beeps! Depending on phases of the moon, weather, what color shorts I'm wearing, how much change is in my pocket the X pops "bulb outs" every other time I drive it. Usually they go away before I can start fooling with them!
Don't you just love this new fangled stuff?

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2021 X5 xDrive40i
2015 X5 xDrive35i MSport
(Traded) 2013 X5 xDrive35i