Ahha from Wiki:
TSI, an acronym used by Volkswagen Group for petrol engines featuring its "twincharger" (turbocharger plus supercharger) and Fuel Stratified Injection technologies; latterly, also used for engines featuring only a turbocharger and Fuel Stratified Injection
I guess the 1.2 is one of the "latterly" ones that doesn't have supercharger just FSI... but then it'd be TFSI?? Anyway I don't care particularly it's a nice engine.
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