Ask your local parts dept if the CUP ECU is different they will at least tell you it has a different part number. Better to ask higher up to get spec differences. After all just one example is a Jaguar brake pedal switch is a different part no to a Mini one, but they are exactly the same thing etc.
I would expect the CUP ECU would be totally different, as the CUP is a SuperHatch in a completely different league to an average run of the mill, warm but comfy hatchback town car Clio 172 .