Valvetronic System Eccentric Shaft Actuator 11377548387 For E81 E82 E88 11377509295 This actuator is designed for use with the Valvetronic system and fits models associated with part numbers 11377548387 and 11377509295.It functions as a key component in the adjustment of the eccentric shaft, enabling precise control of valve timing.The unit is engineered for direct replacement and integrates into the existing engine management system.Installation requires alignment with the Valvetronic mechanism to proper.