BMW offers upgradable fog light to match the xenon headlights, and they are 20% brighter. The part no 63112352235 and are called Blue Halogen H11. They aren't really blue though. In my opinion they are white and fit perfectly with the white Xenon lights.
I installed them on my F25 and they definetly look better than the stock yellow lights.
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BMW X3 G01 Alpine White
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