general problems of the 2004 BMW 325

The vehicle came equipped from the factory with bi-xenon auto leveling headlights manufactured by zkw. The past couple months, the light output has steadily decreased. Looking at it further, brown scorch marks are visible in the projector when the headlight is on. On the driver's side, there is also distortion in the upper half of the projector which looks almost as if the top half of the projector has melted and distorted. The light output from the projectors has been reduced to a thin beam of light right below the cutoff, with the driver's side being worse than the passenger. Parked 6 feet away from a wall, this strip of light extends only about 8-12" below the cutoff, putting out virtually no light below that. At night, it is becoming very difficult to see with no light in the foreground; this problem is getting progressively worse.

The bi-xenon zkw lights kept getting dimmer and dimmer. Bulb replacement did not correct the problem. When looked into the issue found out that the zkw projector bowls have burned up and do not provide any reflection for the light output anymore. Driving at night at this point with lights on is almost like driving with the lights turned off.