I OWN A 2003 BMW X5 3,0. THE VEHICLE IS LESS THEN TWO MONTH OLD. THE CARS MAIN AND ALL OTHER HEADLIGHTS WILL COMPLETELY GO DARK IN THE MIDDLE OF DRIVING. I TRIED PANICALLY TO PLAY WITH THE SWITCH BUT TO NO AVAIL. IT HAPPENS RANDOMLY AND IS A REAL SERIOUS & DANGEROUS ISSUE. THE LIGHTSD WILL THEN SOMETIME LATER WILL RESTORE AND SOMETIES WILL FUNCTION WELL FOR 24 HOURS OR SO. SOME TIMES ONLY ONE HEADLIGHT WILL COME ON, ETC. I BEEN ON THE ROADFLY.COM- A CHAT ROOM WHICH IS THE MOSY IMPORTANT BMW CHAT LINE AND THIS VERY SERIOUS PROBLEM SEEMS TO BE HAPPENING TO OTHER PEOPLE AS WELL. IT IS MAYBE THE MOST SERIOUS HAZARDOUS PROBLEM ONE CAN HAVE WITH A CAR--IMAGINE THE LIGHTS GO DARK IN THE MIDDLE OF DRIVING. THE DEALER CANT SEEM TO FIND THE PROBLEM EVEN THOUGH ADMITS THAT THERE IS ONE. REAL SCARY STUFF AND NEEDS IMMIDATE INTERVENTION!!!! SCARY!!! PLEASE TAKE ACTION ASAP BEFORE SOMEONE IS KILLED!!!.