Quote:
Originally Posted by davesx5
Ok so my wife and I each have a X5.
- I own the older 02
- my wife has the 05
Recently I started to drive the wifes 05 and noticed that the headlights are quite different. The 05 headlights are very active moving all the time. Pull up to a small hill, the headlights move, up a driveway, they move, make a hard stop, they move. My 02 on the other hand, I never notice them moving. They do do the "dance" when turned on, but not nearly as active as her 05. So which one has a problem? or neither? How active is your's?
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They are "quite" different (the 02 vs the 05) because they probably ARE different.

The 02 xenons are probably the regular self-leveling type...and the 05 probably has the (new for the facelift e53) adaptive bi-xenon headlights.
Run the VIN of the 05 through a VIN decoder (like
www.bmwvin.com ) and see if it is optioned with
adaptive bi-xenon headlights. If it is you should see the two options listed below:
- S522A Xenon Light
- S524A Adaptive Headlights
The facelift E53 adaptive bi-xenon headlights can move left/right based on steering wheel angle & speed input...so they will act differently than just the regular xenon lights that only move up/down based on the the leveling sensors.
You should be able to google "
BMW adaptive bi-xenon headlights" to find videos and other info that explains how they work.