How does the Audi R8 utilize the FSI engine for improved performance and efficiency?

I am looking to purchase an Audi R8 and have heard about their FSI engine technology. Can you provide more details on how this technology works and how it benefits the performance and efficiency of the car?

The FSI engine in the Audi R8 is a direct fuel injection system that helps improve both performance and efficiency. The system injects fuel directly into the combustion chamber, resulting in a more efficient and complete burn of fuel. This leads to increased power and torque output, as well as better fuel economy.