This wastegate actuator is a direct replacement for OEM part numbers 11657638783 and 11657647115.It is designed for use with select F10, F11, and F18 models including 520i, 523i, 528i, 530i, 535i, 550i, 520Li, and 523Li.The actuator helps maintain proper boost pressure control in turbocharged engines by regulating exhaust gas flow.Built with materials, it is engineered to operate reliably under temperature and pressure conditions typical in turbo systems.Installation is designed to align with specifications for proper fit and function.Package includes: 1 x Wastegate Actuator.Category: Valves & Parts.