2x RETAINER HOLDER CLIP H7 LED ADAPTER FOR AUDI A3 A4 A4L A6L A8 HEADLIGHT BULBS
AudiA3 A4 A6 A8. LED & HID Headlight Bulbs. XENON Headlight Bulbs. LED Angel Eyes. LEDs are polarity sensitive. If at first they do not illuminate simply remove, turn through 180° and refit. Also, many modern cars now operate canbus systems.