Check the How To's tab on the top of the page, there's a ton of pages about headlights. I bet one of those would help.

I don't know about headlights but I have done coding on this car with the NCSexpert program somehow (I already forget how I did it).

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'05 E53 3.0 6mt
'17 F30 340ix 6mt
'96 E36 328is, in progress