The Genuine BMW Remanufactured Alternator is a replacement part for BMW vehicles. It is a remanufactured version of the original alternator, meaning it has been rebuilt and restored to its original specifications. This product is designed to provide reliable and efficient power to the vehicle's electrical system, ensuring proper functioning of various components such as the battery, lights, and other electrical accessories. It is manufactured by BMW and meets the same high-quality standards as the original part.