Cylinder Head Valvetronic Timing Actuator Motor Compatible with N20 N55 Engines for 135i 228i 320i 328i 428i Models (Part Numbers: 11377603979, 11377599021)

This valvetronic timing actuator motor is compatible with N20 and N55 engines and fits select 135i, 228i, 320i, 328i, and 428i models.It serves as a direct replacement for part numbers 11377603979 and 11377599021, supporting proper of the valvetronic system.The unit is designed to align with factory specifications for fitment on compatible vehicles.

• Direct replacement for valvetronic timing actuator motor with part numbers 11377603979 and 11377599021
• Compatible with N20 and N55 engines found in 135i, 228i, 320i, 328i, and 428i models
• Restores proper variable valve timing function and supports engine efficiency
• Designed to meet specifications for consistent electronic response
• Helps address valvetronic system errors caused by worn or faulty actuator motors