Sustaining a consistent fuel supply and a high-intensity spark is essential when extracting additional performance from the M177 engine. Upgrade your fueling capacity to support massive airflow demands by utilizing high-flow Bosch Fuel Injectors. For W213 owners seeking a substantial, plug-and-play power increase without permanently overwriting the complex networked chassis and ECU software, we supply RaceChip GTS5 Black Tuning Boxes. These advanced modules safely intercept and optimize sensor data to deliver massive, immediate gains in both horsepower and torque.