You don't need the barrel ring that's just a generic part and not coded to anything.
What year is the car as there are two systems, pre and post electric fuel heater. The two systems have other differences also like the doser for the EGR.
BSI is the body system interface. it basically controls things like the central locking, immobiliser and other things. It can only be coded to one ECU.
What year is the car as there are two systems, pre and post electric fuel heater. The two systems have other differences also like the doser for the EGR.
BSI is the body system interface. it basically controls things like the central locking, immobiliser and other things. It can only be coded to one ECU.