either need to carry ecu, loom, immobiliser and chip.. or just ecu and loom and delete the immob on ecu for about £55-60..
I got my loom done by a member on here for £100 so it was the right length to reach the places it needs to and was done properly as wiring can be tedious.. all you need is ABF engine loom and mk2 lighting loom as mk3 one wont fit iirc..