144 are liable for renovation and modernization work. Tank Repair Workshop and Volgograd plant division KurganMaszProfessional. The scale of retrofitting work on vehicles has not been specified, although in the case of BMD-2 it can be assumed to rise its standard to version M. In December 2018, the Russian Ministry of Defence announced its desire to [gruntly upgrade around 600 combat infantry wagons of the BMD-2 air-desant troops to BMD-2M standard](https://defence24.pl/power-arms/Russians-test-modified-bmd-2m-with-missile-kornet) and the work was to start in 2021. It is so possible that the vehicles transferred are part of these plans years ago. In another case, these are most likely simple general repairs combined with insignificant replacement of components not already produced.
