MST B58 Air Intake For BMW G42 M240i, G20 M340i, G22 M440iThe MST B58 Cold Air Intake is a high performance upgrade designed for BMW enthusiasts who want to get the most out of their B58 engine, which powers models like the G42 M240i, G20 M340i, and G22 M440i. This intake system is engineered to maximize airflow to the turbocharger, improving engine performance across the board. Features Enhanced Airflow: The system includes a 4" intake pipe and a 4" air filter, allowing for significantly improved airflow