Quote Originally Posted by diagnosticator View Post
Very nice results! The focus and improved cut off sharpness makes this really worthwhile. One aspect to consider however, is the fix for the leaking of water into the housing at the adjuster gear drive on the top of the housing, has been determined to be caused by the O ring that is supposed to seal the vertical adjuster drive shaft, is to small. Installing a larger O ring on the vertical adjuster shaft fixes the problem of water leaking into the housing through the adjuster vertical drive shaft/housing hole. This has been the standard fix for this problem since I found the the source of the leak in 2004. Search for "O Ring Fix" for more info on how to install the O ring, and the larger size needed to stop the water leak.
For my bi-xenons I simply took a strip of electrical tape that I trimmed to the right height and gave the adjuster shaft a few wraps and then re-installed the o-ring. This effectively increases the diameter of the adjuster shaft and creates more crush on the o-ring against the outer surface. It's worked for me for 2 years. My housings were foggy when I bought the car.....haven't seen a bit of moisture in them since doing my version of the fix.