[Marty McFlew]

Originally Posted by Martinjlm

Not a whole lot more to it. Setting RPO codes is boring as hell. Engineering would develop new variants of whatever engine or transmission, Engineering Specs would suggest the RPO code. Planning would confirm that the new variant was different enough from existing variants to warrant a new (or re-cycled) RPO code and then set up the RPO in the portfolio system. Then Planning and Powertrain Engineering worked with vehicle teams and their engineering to get the applications approved.

This is usually done several years before you see it on the lot.