This product is a Genuine BMW Spark Plug with the part number 12120050948. It is designed and manufactured by BMW for use in their vehicles. The spark plug is an essential component in the ignition system of a car, responsible for creating the spark that ignites the fuel and air mixture in the engine. This specific spark plug is made to fit and function perfectly in BMW vehicles, ensuring optimal performance and reliability. It is a high-quality and durable product that meets the strict standards of BMW.