Redlines TL-BE3997-LED-SM Smoke Medium LED Tail Light for BMW E39 5-Series '97-'03 - Pair The major benefit of LED tail lights is that they light up 200 times faster than conventional incandescent brake lights, therefore allow an extra 17 feet stopping distance (at 60 miles per hour) for the drivers behind your vehicle to stop safely LED lights are also more durable and energy efficient than your factory incandescent lights. Precision manufactured to factory OEM specifications for play and plug installation and easy fitment OEM direct replacement with no modification needed for easy installation More vibration and weather resistant; less heat and more power efficient Covered by 6 months manufacturer limited warranty