Xenon headlight upgrade wire information

[cream2cream]

Hello, just changing the headlights to xenon on my a3, bought a connector which fits in fine but the day runnin lights dont work, came with a long wire which im told fits into the bcm unit, anyone have ideas were it goes? bought he adaptors off ebay german seller who doesnt know how to connect the wire, all he says into the bcm unit

any advice would b much appreciated


thanks