51247463163 51247345700 Car Accessories Transfer Switch For 440i X1 X3 X4 X5 X6 2012-2018 Transfer switch designed for use with specific vehicle models from 2012 to 2018.Compatible with systems requiring part numbers 51247463163 and 51247345700.This electrical component facilitates power distribution and switching within the vehicle's accessory system.Built to meet specifications for.Installs directly into the designated module location without modification.stable performance for connected accessories under normal operating conditions. Disclaimer: This is a compatible replacement part.Any brand or model mentioned is for compatibility demonstration, not endorsement.