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Audi has a new addition to its family of V engines. The 4.0l V8 TFSI Firstly, the heat generated under the bonnet by the HSI confi gura is the fi rst eight cylinder petrol engine to feature twin exhaust tion had to be taken into consideration. On the other hand, the turbocharging and FSI technology. The engine is based on the statutory regulations concerning pedestrian safety had to be met. 4.2l V8 FSI naturally aspirated engine of the Audi A8 ’12. The basic The engine has a wide range of power outputs to accommodate engine derives largely from the 4.2l V8 FSI. To improve fuel various Audi models. Furthermore, other Group brands also use economy, the displacement was reduced to 4.2 litres from this unit in their models. 4.0 litres. Another active measure for reducing displacement is cylinder on The 4.0l V8 TFSI engine employs all the technologies from Audi’s demand . This system allows the engine to operate more effi modular effi ciency platform. These range from the start stop ciently at partial load. Another key feature is the HSI Hot Side system and the recuperation system to a broad array of friction Inside confi guration. For this purpose, both exhaust turbocharg reducing measures. The V8 is assembled at Audi’s Hungarian plant ers are integrated in the inside V of the cylinder block. Even the in Györ using high end technologies such as plate honing . charge air cooler is housed here. One of the major development challenges was fi nding space for the engine in the engine bay. 607 006 In this Self Study Programme you will learn about the technology What does cylinder on demand do and how is this imple of the 4.0l V8 TFSI engine. When you have worked your way mented through this Self Study Programme, you will be able to answer the What are the special features of the 2nd generation thermal following questions management system How is the basic engine designed What aspects of the engine management system have changed