N63R, TU2, TU3 Charge Pipes For G Chassis BMW M550i, 750i, M850i, X5, X6, X7The ARM Motorsports N63R Charge Pipes are engineered to enhance airflow and support methanol injection for your N63R powered BMW. These charge pipes allow you to inject methanol into the charged air before it reaches the intercooler, effectively reducing intake air temperatures, enabling higher boost levels, advancing ignition timing, and minimizing the risk of detonation. HIGHLIGHTS Methanol Injection Compatible Enhanced Airflow Fits N63R, N63TU2,