The Genuine BMW Retaining Spring is a small but crucial component for the proper installation and secure placement of an H7 bulb in a BMW vehicle. This spring is designed specifically for use with H7 bulbs and is made from high-quality materials to ensure durability and longevity. It is an authentic BMW part, guaranteeing a perfect fit and reliable performance. This retaining spring is an essential part of the headlight system, providing the necessary pressure to hold the bulb in place and prevent it from shifting or falling out. It is a vital component for maintaining the safety and functionality of the vehicle's headlights.