BMW M GmbH will be launching a production model featuring OLED technology in the near future. It's time to take a closer look at this innovative technology. The BMW M4 Concept Iconic Lights is already equipped with OLED rear lights. OLED stands for organic light-emitting diodes. OLEDs produce light from wafer-thin semiconducting layers of organic material. For the first time, both the tail lights and rear direction indicators feature OLED technology. The illuminated surfaces are positioned to produce a three-dimensional lighting effect. OLEDs also take up less space due to their thin size.