Factory HIDs are D3s, Bi Xenon are a third party kit to put HIDs in a halogen housing.my 2013 escape titanium uses D3S Hid bulbs
they are both low beam and high beam
the high beam bulb is Halogen H1
This is partially incorrect. Modern Bi Xenon headlights are when an HID projector operates as both the low and high beams by moving a flip mechanism inside the projector that moves the cut off line up or down. The Bi Xenon describes the function of the projector, not the bulbs. Most if not all factory HID headlights are Bi Xenon. If equipped the supplemental halogen fixtures are just that, supplemental to the HID high beams.Factory HIDs are D3s, Bi Xenon are a third party kit to put HIDs in a halogen housing.
The Low is a HID capsule, the High is either a paired halogen mounted parallel in the same lens or a magnetic tilt of the capsule (as in the 9007 used for a 2000-2007 Taurus).
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