Technical document (Self-study program) on the 4.2-liter Audi FSI V8 engine, written in Spanish. It describes in detail the two variants of this engine: the comfort-oriented base version for the Audi Q7 (Bar code) and the high-revving sport version for the Audi RS4 (BNS code). It explains the engine mechanics, the FSI direct injection system, the timing chain, the oil and cooling circuits, and the electronic engine management system (Bosch MED 9.1).