Genuine BMW Wrng.HarnessLateral Torque Distribution - 12517638139 - This genuine BMW wiring harness lateral torque distribution is designed for use with select BMW vehicles. It helps to distribute torque to the left and right sides of the vehicle, helping to ensure a smooth and even ride. This part is an OEM part, made to the exact specifications of the BMW manufacturer. It is a direct replacement for the original part and is easy to install.