Are you sure the new bulbs are LEDs? The image may have just been enhanced. Most car manufacturers blacken out windows on marketing campaigns to give a cleaner look.

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2008 X5 4.8i BSM/Blk - premium, sports with 20" 214s, navigation, rear climate, adaptive ride, dark bamboo, running boards, 3rd row seats, USB audio, high speed maximum, etc etc

Mods: Smoked reflectors | Hoen xenon match fogs and angel eyes | LED plate bulbs | 18" winter wheels

Other vehicles: 2002 M3 Vert TiAG/Blk - with every option and many mods | 2009 Chevy Silverado LTZ - fully loaded