The Genuine BMW Door Wiring Harness is a high-quality replacement part for BMW vehicles. It is designed to connect the electrical components of the door, such as the power windows, door locks, and speakers, to the main wiring system of the car. This wiring harness is made from durable materials and is specifically engineered to fit BMW models. It is an essential component for ensuring proper functioning of the door's electrical systems. This particular wiring harness has the part number 61125A0C089.