Table 1 shows three common exterior lighting related problems of the 2014 BMW X3. The number one most common problem is related to the tail light switch (three problems). The second most common problem is related to the exterior lighting (two problems).
| Problem Category | Number of Problems |
|---|---|
| Tail Light Switch problems | |
| Exterior Lighting problems | |
| Brake Light problems |
Tail light failure due to a manufacturing defect. Led driver boards are failing due to bad solder connections, components do not fail but the assembly does. I believe the defective solder joints are probably due to contamination on the bare circuit board. Read details...
The high beams on the car malfunctioned. The sheathing material on the wires is supposedly “soy based” and breaks down with heat and time. When the wire insulation breaks down beyond a certain point, it will crumble off of the wires, leading to exposed wires, which may touch each other, Read details...
Rear brake light continue to go out intermittently. Vehicle sometimes displays the warning message on the dash only a portion of the time. When the light does come on, it is about 5-10 minutes after starting the car and driving it a few miles. Read details...