The Genuine BMW Window Regulator - 51357140589 is a high-quality replacement part for BMW vehicles. It is designed to regulate the movement of the car's window, allowing it to open and close smoothly and securely. This window regulator is made from durable materials and is designed to fit perfectly into BMW models. It is an essential component for maintaining the proper functioning of the car's windows and ensuring the safety and comfort of the driver and passengers. This product is an authentic BMW part and is guaranteed to meet the highest standards of quality and performance.