You are not alone since I have the same problem on our 2002 X5. I've replaced both HID DS2 bulbs with OEM OSRAM Philips bulbs. My passenger side is a bit brighter, but still not as white and slightly yellowish as compared with the driver's side. Interestingly, when I turn on the headlights, and watch the beam pattern on my white garage doors, they both illuminate, and then get brighter in full-white, then suddenly the passenger-side light dims down to about 75% intensity with a darker color. When I get out of the car, sure enough, that headlight has a yellowish tinge to it, not white-white like the driver’s side. Did you figure out your problem or can anyone weigh-in on our "yellowish" HID Xenon headlights? Maybe a bad/weak ballast?
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2022 X6///M - Toronto Red, Silverstone Full Merino Leather, Executive Package w/Remote Engine Start, Soft-close doors, Heated & Cooled Cupholders, Front Ventilated Seats, Front & Rear Heated Seats, Front Massaging Seats, Carbon Fiber Trim.
2002 X5 3.0i, Sport Premium, Titanium Silver, Grey Dakota, Cold Weather Pkg, Xenons, DICE, LED Tails, just a winter vehicle...
2007 550i, Sport Premium, Silver Grey Metallic, Grey Dakota, Nav, Cold Weather Pkg, Comfort Access, HD Radio, Xenons.
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