Bi-xenon means that both the low/high beams use the same bulb (there's a shutter in the bulb so when you turn the high beams on by pushing the stalk forward the bi-xenon is activated)

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2006 BMW X5 4.8is Lemans Blue/Beige/Dark Maple
-Nav, Comfort Seats, Heated Steering Wheel,
Rear Airbags, AUX Input
2009 BMW M3 Space Grey/Black/Carbon
-all options