This FEBI BILSTEIN knock sensor (part code 106808) is designed to accurately detect engine detonation or knocking. By monitoring these abnormal combustion events, the sensor provides crucial data to the engine control unit (ECU). The ECU then adjusts ignition timing to prevent engine damage and maintain optimal performance. Manufactured to high standards, this sensor ensures reliable operation and longevity, contributing to the overall health and efficiency of your vehicle's engine. Essential for modern engine management systems.