Engine Valvetronic Actuator Motor designed for N20, N55, and S55 engine platforms.This actuator motor is engineered to enable precise control of intake and exhaust valve timing as part of the valvetronic system, contributing to optimized engine performance and fuel efficiency.Constructed with metal components that offer wear resistance and anti-rust properties, the unit supports over extended use.Compatible with a range of vehicle 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.Matches OEM specification 11377603979 A2C5328032080, direct fitment without modifications.Installation is straightforward and does not require additional tools, allowing for quick replacement and integration into existing engine systems.The sleek black and silver finish reflects careful attention to design detail, providing visual and functional integration with.Ideal for vehicle owners seeking to restore or maintain the responsiveness and efficiency of their engine's valvetronic functionality.