I'e done a search abd theres a lot on DRL but not much on fitting to a B7 A4. I am thinking of getting these headlights with built in DRL. Is it a question of just replacing the existing ones without any modification to the wiring?. Is the front bumper easy to remove? Also hoe do they work, i presume they wont come on automatically like the new cars, what poition do my switch need to be in for them to work?
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