so by the sound of it I can just stick a 5as and fob that works in the car with the unlocked ecu? if so that's great as I can use my cars original ones and just put the engine and ecu in and I should still have central locking and an alarm but no immobilizer?

right I did post something similar on the old forum but now we're all here though I'd ask again. I have purchased a 98 R100 with a rotten body but it has a running 160 vvc in. now the issue is it starts and drives but the key fob does not work I have replaced the battery in it but still nothing and ...