If you choose to execute auto repairs to your Polini Minicross X3 R then it will always be a good plan to have access to a Workshop Manual for a guide should you want to know how you can strip off a particular part for example, the Door and fit it again efficiently.
Polini Minicross X3 R Workshop Manuals can offer you exact diagnostic wisdom on your car so if something is not working it helps you find out what the problem is and methods to resolve it. You can then assess if this can be done yourself or in case the job is too big you can still make a booking for your Minicross X3 R in with a nearby car garage.
Polini Minicross X3 R manual