2020-2023 Audi A4 S4 RS4 B9.5 Facelift Genuine Original Factory OEM Matrix Laser LED Headlights Ballast (Xenon Light Control Unit / Module / Controller / ECU / Computer / Starter / Electronic Unit / Steuergerät /Inverter ) , LED Lamp Bulb , LED DRL Control Module , Lens Cover , Wires Cable , Bulb Holder Projector Reflektor Bowls Replacement Sale

Part will fit : Driver side / Passenger side / Left / Light / Front(Fifth generation)

Audi A4 8W : 4-door saloon/sedan , 5-door Avant (estate/wagon)

If your 2020-2023 Audi A4 B9.5 Matrix And Laser LED Headlight low beam or Headlamp high beam have problems, like light failed failure, flicker , dipped beam very dim dimmer, getting dimmer, not working, flickering blinking , goes one and off , keeps going out , flashlight , making noise , not bright enough , not focused , stopped working , turning yellow and the dashboard displayer have warning light , error code , go up and down , moving up and donw , pointing down , distance control defective , malfuncation ,turning pink , not turning off , gone ping , turned purple ,turned pink , not bright enoug h , flashing . warning light ,not working properly , keeps burning out , have any other fault issues, you only need to change or replace related original led parts like: ballast, led bulb, control unit module , reflector , or wire harness cable to repair and fix your led light is ok, no need to cost a lot of money to buy a whole brand new headlight assembly like the car dealer suggest.

Normally speaking, when your headlight have problem, check out the fuse first, if it’s ok, then replace the factory fit LED control unit box ballast is ok, because from our many years experience, when the headlight not work, 90% of the problem is on the ballast.