So, I jacked up my vehicle last night, to confirm proper flexing of the arm on the level sensors, and both flex properly (connecting rod makes the arm of sensor move up and down). I do not have the issue where my lights raise up and down every 30 seconds, like others have, but just wanted to check my level sensors, just to be safe.
SO, I just went to an underground parking lot, checked the ground where my vehicle's tires were sitting to ensure level ground and then I measured, on the vehicle, the height of the fog lamps (24 inches off ground) and then height of low beam projector bulb (32 inches). I then turned on fogs and aimed them a little higher, as they were QUITE low (so now, 18" from ground at about 2 vehicle lengths away from wall) and then added another 8" in height (to where I aimed the lower cutoff) for my Xenon bulb patterns.
i also adjusted the lateral movement (side to side) while I was at it.
I have SO MUCH better light output now. I wonder why/how it got so out of wack, as I remember doing this same thing about 4 years ago.
Even with aiming them, I STILL do not ahve my Xenons aimed as high as newer SUVs seem to have. I was driving home next to a new Lexus or Hyundai or Toyota (they all look the same these days) right after I aimed mine and even tho their light output was SO BRIGHT WHITE, their cutoff pattern was about 6" higher than mine still, but I feel that SUV had poorly aimed bulbs (just cause it left the factory that way doesnt mean it was calibrated properly, sadly).

X5Only, its a bit of a pain in the butt getting the vehicle set up against a wall to have aiming done, albeit, very easy to once you have your measurements, its sooooo worth having a nice light output, for a 16+ year old vehicle.

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I swear, my cars are like a girlfriend.
Sometimes its a rough ride, sometimes its smooth motorin'.
Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves.
BUT at the end of the day, she loves it when I am inside her.

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'91 850i
'05 X5 4.4i
'09 Clubman S