2014 Genuine Original Factory OEM BMW M4 F82 Dynamic HID Bi-Xenon Headlights Headlamp HID D1S Ballast (Xenon Light Control Unit / Module / Controller / ECU / Computer / Starter / Electronic Unit / Steuergerät /Inverter ) , D1S Philips Xenon Bulb , Wires Cable , Bulb Holder Ring , Projector Reflektor Bowls , Replacement Sale

Part will fit : Driver side / Passenger side / Left / Light / Front

BMW M4 F82 : Sports coupe , BMW M GmbH

If your 2014 BMW M4 F83 OEM HID Bi-Xenon headlight have problems like: light failed failure, very dim dimmer, dipped , waring light , dipped beam, keeps going out , not working, flickering , error , fault , goes on and off out , 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 enough , flashing . warning light ,not working properly , keeps burning out , or have any other issues, you only need to change or replacement original xenon parts like: ballast, gas discharge bulb, igniter or wire harness, cable to repair your HID headlamp is ok, no need to cost a lot of money to buy high price 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 xenon 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.