Engine Valvetronic Actuator Motor designed for N20, N55, and S55 engine platforms with OEM reference numbers 11377603979 and A2C5328032080.This actuator motor is engineered to enable precise control of the intake and exhaust valve timing as part of the valvetronic system, contributing to optimized engine performance and improved fuel efficiency.Constructed with metal components that offer wear resistance and anti-rust properties, the unit supports and extended service life.It features a sleek black and silver finish, designed with attention to detail for integration into the engine bay.The motor is built as a direct replacement, compatibility with multiple vehicle configurations without the need for modifications.Installation can be completed without additional tools, allowing for straightforward replacement and quick restoration of engine functionality.Intended for use in select models including 135I, 228I, 320I, 328I, 335I, 428I, 435I, 528I, 535I, 535I GT, 640I, 740I, 740LI, ACTIVEHYBRID 3, ACTIVEHYBRID 5, ACTIVEHYBRID 7, M235I, M3, X1, X3, X4, X5, X6, and Z4, this motor ensures accurate fitment and consistent performance across various applications.