The Genuine BMW Rep.Cable F Knee Prot. And Control Unit - 61129127982 is a replacement cable and control unit designed specifically for BMW vehicles. It is used to protect the knee area and provide additional support while driving. The cable is made of high-quality materials and is durable and long-lasting. The control unit allows for easy adjustment and customization of the knee protection. This product is an authentic BMW part and is compatible with various models of BMW vehicles. It is a reliable and essential component for ensuring comfort and safety while driving.