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Self Study Programme 490 Audi 6.3l W12 FSI engine Audi Service Training A twelve cylinder is the pinnacle of engine design, and traditionally The engine runs exceptionally smoothly, and only at high engine a hallmark of luxury class cars in particular. The fi rst generation A8 loads and speeds do the car s occupants sense any of this supreme was available with an engine of this type from 2001 onwards, and power at work. a more advanced version could be obtained from 2004 onwards in the following model series. For use in the long wheelbase A8 ’10, Audi s engineers have Audi s engineers have now thoroughly revised the W12, increasing converted the W12 engine to FSI petrol direct injection. This its displacement to 6.3 litres and equipping it with petrol direct involved extensive modifi cation of the cylinder heads. injection for higher power and effi ciency. The high fuel economy of the 6.3l W12 FSI engine compared with The 6.3l W12 FSI engine gives the long wheelbase Audi A8 ’10 its competitors is mainly a result of technologies from Audi s sportscar like performance it sprints from zero to 100 kph in just modular effi ciency platform which is used throughout the A8 4.9 seconds; the electronically governed top speed of 250 kph is a model line. mere formality. 490 002 Learning objectives of this Self Study Programme Which adaptations have been made for the use of petrol direct injection In this Self Study Programme you will learn about the technology How does the crankcase breather work of the 6.3l W12 FSI engine. How is the oil circuit designed When you have worked your way through this Self Study Pro What are the special features of the fuel system gramme, you will be able to answer the following questions What modifications have been made to the engine manage ment system What are the points to note when servicing the vehicle 2 Contents Introduction Brief technical description 4 Specifi cations 5