One problem related to hazard flashing warning light unit has been reported for the 2004 BMW 5 Series. The most recently reported issues are listed below.
My wife started the car and the headlights and hazard lights began flashing and turn signals did not work. Shut off and restarted the car multiple times with same effect. Drove car to BMW dealer. Dealer technician saw same results. He disconnected battery, restarted car, rebooting the I-drive computer, and could not recreate problem.
Headlights problems | |
Hazard Flashing Warning Light Unit problems |