In this episode of Vintage Car Chronicles, we explore the story of the Citroën BX 4TC, a rare and ambitious entry in the world of rallying’s Group B era. Launched in 1986, this car featured Citroën’s innovative hydro-pneumatic suspension and a turbocharged four-cylinder engine derived from the Peugeot 505. Despite Citroën's hopes, the BX 4TC struggled on the rally circuit, facing handling and reliability issues. With just a single top-ten finish and an early exit from Group B, this unique Citroën has since become a rare collector's item. Dive into its engineering challenges, the few victories it managed, and its place in rallying history.