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      12-05-2010, 02:50 AM   #1
Mr.7
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Xenon Projector headlight start up

When I turn on my headlights, I notice the light goes up and then settles back down to it's normal position. I tried taking a video of the headlights themselves but I could only see the bluish white light. This happens on all Xenon projector headlights, not just on BMWs. Why does this happen?
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      12-05-2010, 04:02 AM   #2
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Quote:
Originally Posted by GhostRideTheWhip View Post
This is the auto-leveling feature. It keeps the xenons from blinding on coming drivers.You will notice your lights "shake". That's because your lights "float" and the system compensates for dive, and rough surfaces that make the car bounce. It keeps the lights balanced.
This happens when I turn my headlights, just before I start driving. Are you saying that the auto-leveling system is also starting up?
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      12-05-2010, 04:23 AM   #3
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Quote:
Originally Posted by Mr.7 View Post
Quote:
Originally Posted by GhostRideTheWhip View Post
This is the auto-leveling feature. It keeps the xenons from blinding on coming drivers.You will notice your lights "shake". That's because your lights "float" and the system compensates for dive, and rough surfaces that make the car bounce. It keeps the lights balanced.
This happens when I turn my headlights, just before I start driving. Are you saying that the auto-leveling system is also starting up?
It's doing a self test
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