Self Study Program 920113 – The 6.3L W12 FSI Engine

VAG SSP 920113. A 12-cylinder engine is the pinnacle of engine design and a hallmark of luxury class  vehicles. Twelve-cylinder engines have been used in the Audi A8 model line since 2001. Over time, Audi’s engineers have thoroughly revised the W12, increasing its displacement to 6.3 liters and equipping it with direct fuel injection for greater power and efficiency.

The 6.3L W12 FSI engine gives the 2011 A8L sports car performance: zero to 60 in just under 4.9 seconds and an electronically limited top speed of 155 mph (250 km/h).

The engine is exceptionally smooth running, and only at high engine loads and speeds do the car’s occupants sense any of this supreme power at work.

The high fuel economy of the 6.3L W12 FSI engine, when compared with its competitors, is mainly the result of technologies from Audi’s modular efficiency platform, which is used throughout the A8 model line.


  • Introduction
  • 6.3L W12 FSI Engine
    • Overview
    • Specifications
  • Components
    • Cylinder Block
    • Crankshaft
    • Pistons and Connecting Rods
    • Chain Drive
    • Crankcase Breather
    • Fine Oil Separation
    • Cylinder Head
  • Oil Supply
    • Oil Circuit
    • Oil Pump
  • Air Supply
    • Intake Air Flow System
    • Secondary Air System
    • Vacuum Supply
  • Cooling System
    • Overview
    • Coolant Thermostat
  • Fuel System
    • Overview
    • Fuel Rails
    • High Pressure Injectors
  • Engine Management
    • System Overview
  • Exhaust System
    • Overview
    • Exhaust Flaps
  • Special Tools
  • Knowledge Assessment

The Self-Study Program provides introductory information regarding the design and function of new models, automotive components, or technologies.
The Self-Study Program is not a Repair Manual!
All values given are intended as a guideline only.
For maintenance and repair work, always refer to current technical literature.

Language: English
Format: PDF
Pages: 44

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