Genuine OEM BMW Exhaust System Rubber Mounting, part number 18307612903. This rubber mounting is designed to support the exhaust system while isolating it from the vehicle's chassis, effectively reducing noise and vibration. It is specifically located at the rear of the exhaust system. Made from high-quality rubber compounds to withstand heat and stress. Genuine OEM parts provide the correct damping characteristics and durability required for safe and quiet exhaust system operation.