hello beamer heads, i need some more help, i want to upgrade my headlights and i am getting this mechanic to do my headlights, he done a couple before on x5's so i trustin him, well i want to match my 02 x5 xenon bulbs to my foglights which look yellow most of the time, and is there anyway without messing too much with wires and ballasts to change the colour of the xenon and foglight to match............i want to match, haaha, please help out......