For engine you can check by EOBD. In my opinion, it's a waste of resources to put a group of engineers work in a brand that no longer exist and the cars are old. I think the last year of production was 2005. There is other brands that are more important than Rover
And beside the brands, I think it's more important in developing another options like:
- Read Immo Pin of many brands such VAG Group, Renault, PSA, etc
- Programming and coding keys and cards
- Disabling of DPF
- ECU reset
Etc.
Is this kind of functions that make the workshops make money and increase some value to them. Is not add ROVER!!!