The Genuine BMW Label Exhaust Emission (Mj12) - 71227846744 is a label that is used to indicate the exhaust emission level of a BMW vehicle. It is a genuine BMW product and is specifically designed for use with BMW vehicles. The label is labeled with the words Exhaust Emission and the code Mj12 and has the part number 71227846744. This label is important for monitoring and maintaining the emissions of a BMW vehicle, ensuring that it meets environmental standards and regulations.