The Genuine BMW Negative Battery Cable With IBS - 61127616199 is a high-quality replacement part for BMW vehicles. It is designed to connect the negative terminal of the battery to the vehicle's chassis, ensuring a secure and reliable electrical connection. This cable also features an Intelligent Battery Sensor (IBS) which monitors the battery's voltage and current, providing important information to the vehicle's computer system. This helps to optimize the charging and discharging of the battery, improving overall performance and extending its lifespan. This Genuine BMW Negative Battery Cable is a crucial component for maintaining the electrical system of your vehicle and ensuring reliable operation.