This is BMW G30 540 (B48/ B58) Carbon Fiber Inbox 4WD (Alloy Base + Carbon Fiber Cover).
Enhance your performance and aesthetics with the Armaspeed Carbon Fiber Intake System, meticulously designed to optimize airflow and elevate engine performance. Crafted with a vacuumed carbon fiber airbox, this intake system effectively isolates hot engine bay air, ensuring cooler intake temperatures for enhanced efficiency and power delivery. Engineered for both quality and innovation, it not only boosts performance but also adds a sleek carbon fiber aesthetic to your engine bay.