AKRAPOVIC P-HF1255 Sound Kit for BMW X3M (F97) / X4M (F98) 2020-2024 ymm_45 the exhaust valves are controlled

the exhaust valves are controlled by the vehicle’s factory electronics

the AEM 12-position trim potentiometer is designed for fine-tuning ignition timing

The system is split into two codes because of packaging requirements

9 LSU sensor in August 2014

while the extensive use of ultra-lightweight materials significantly reduces overall vehicle weight and enhances handling

AKRAPOVIC P-HF1255 Sound Kit for BMW X3M (F97) / X4M (F98) 2020-2024 ymm_45 the exhaust valves are controlledThe optional Akrapovi Sound Kit enables owners of selected Akrapovi car exhausts to control the sound of the system from the cockpit of their machine. Using Akrapovi technology, drivers can easily switch between the quiet mode and a sportier sound. With the use of a receiver to drive the actuators that open or close the valves at the end of the exhaust system, drivers can use the Sound Remote Controller or the new smartphone app (for iOS and Android)