Yep check side light is the angel eye bulb being dead - I would replace the pair personally - I always replace bulbs in pairs.

The angel eye bulb is not that expensive from BMW @ $22 apiece, you could get a pair of LED bulbs for the angel eyes as well if you want a little more white color

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2018 Ram 2500 6.7L Cummins 68RFE
19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed
2013 X5 35D (CEO's) - Born on 5/17/2013 -
82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards