引用:
作者: yushow5069
What is your head light blub holgen or xeon? lights are controled by lm moudle.also is light, both are lm moudle try to test power on head light unit. if thereare no power .check fuse box it is under glove box. if fuse is good maybe lm war broken down.
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My E46 330i came with Xenon Light and technician did swap headlight control unit with another, with new
headlight control unit it work normal at beginning but after few dozen On/Off testing it become same,
meanwhile my headlight control unit work as normal on another E46.
I just sourcing on Internet to try to find full eletronic diagram to figuring out, I also think it may Light Module
but I rather considering more detail before next discuss with technician......