Original: The British Rail Class 165 Turbo is a fleet of suburban diesel multiple units ( DMUs ) , originally specified by and built for British Rail , the then United Kingdom state owned railway operator . They were built by BREL at York Works between 1990 and 1992 .
Simplified: The British Rail Class 165 '' Network Turbo '' diesel multiple units ( DMUs ) were built by BREL at York Works from 1990 â '' 1992 .