Hi all, I recently bought a 2005 MG ZR 1.4 and it won't start. I took it to the mechanic and he said it needs a new ecu kit. I seen them on eBay, but all the part no.s seem to be different, as long as I buy the right one for my car e.g. ECU kit for mg zr 1.4 16v should it still work? i.e. I don't need the exact part no.s to match as they are all different. Please help, Thanks Thomas!