Model Compatibility: Fits engines N20 and N55 in models 135i, 228i, 320i, 328i, and 428i as a direct replacement for the valvetronic timing actuator motor.
Part Number Match: Replaces part numbers 11377599021 and 11377603979 used in the cylinder head valvetronic timing actuator motor assembly.
Functional Purpose: Restores valvetronic system by actuating variable valve timing within the cylinder head as designed for N20 and N55 engines.
Installation Requirement: Mounts in the same location and orientation as the valvetronic timing actuator motor without modification to the engine or control system.
System Integration: Operates with the vehicle's existing engine management system to maintain factory valvetronic functionality on compatible N20 and N55 applications.
وصف
Cylinder Head Valvetronic Timing Actuator Motor with part numbers 11377599021 and 11377603979.Compatible with engines N20 and N55.Fits models 135i, 228i, 320i, 328i, and 428i.This replacement actuator motor restores Valvetronic system functionality as designed for these applications.