This product is a genuine BMW left fog lamp cap (Zkw) with part number 63178381975. It is designed to fit specific BMW models and is manufactured by Zkw. The fog lamp cap is an important component of the vehicle's lighting system, helping to protect the fog lamp and ensure proper functioning. It is made with high-quality materials and meets BMW's strict standards for performance and durability. This fog lamp cap is a direct replacement for the original part and is an essential component for maintaining the safety and appearance of your BMW.