The Genuine BMW Gasket Headlight Left - 63126939271 is a replacement gasket for the left headlight of a BMW vehicle. This gasket is designed to provide a secure and waterproof seal between the headlight and the vehicle body, preventing any moisture or debris from entering the headlight and causing damage. It is an authentic BMW product, ensuring high quality and a perfect fit for your vehicle. This gasket is compatible with various BMW models and is an essential component for maintaining the functionality and appearance of your headlights.