1. Using C-BUS smart chip, it is highly compatible with the original car equipment and can effectively suppress interference to the original car computer. 2. Replaces original vehicle parts and does not require programming. 3. Voltage: 12V 4. OE: 63117440877 / 63117427607 / 63117409579 / 63117408422 / 63117381017 5. Suitable for BMW F10 LCI 08.2012-2016 / F11 LCI 08.2012-2017