- Running gear
- Body
- Power unit
- Fuel supply system, diesel engines
- Fuel supply system, petrol engines
- Simos direct petrol injection and ignition system (6-cyl. 3.2 ltr. 4-valve)
- 6-cylinder direct petrol injection engine (3.2 ltr. 4-valve), mechanics
- 6-cylinder TDI engine (2.7 ltr.; 3.0 ltr. 4-valve common rail), mechanics
- 8-cylinder direct petrol injection engine (4.2 ltr. 4-valve), mechanics
- Direct petrol injection and ignition system (8-cyl. 4.2 ltr. 4-valve)
- Direct petrol injection and ignition system (4-cyl. 2.0 ltr. 4-valve turbo with timing chain)
- Direct petrol injection and ignition system (4-cyl. 1.8 ltr. 4-valve turbo with timing chain)
- 4-cylinder direct petrol injection engine (1.8 ltr., 2.0 ltr. 4-valve turbo), mechanics
- Technical data
- Engine assy,cylinder block,crankcase
- Enginecrankshaft group, pistons
- Engine cylinder head, valve gear
- Engine lubrication
- Engine cooling
- Exhaust turbocharger, G-charger
- Exhaust system
- Components of exhaust system - A4 saloon, A5 Coup
- Components of exhaust system - A5 Cabriolet and A4 Avant
- Exhaust manifold
- TDI injection and glow plug system (6-cyl. 2.7?ltr., 3.0?ltr. 4-valve common rail)
- TDI injection and glow plug system (4-cyl. 2.0 ltr. 4-valve common rail)
- 4-cylinder TDI engine (2.0 ltr. 4-valve common rail), mechanics
- Simos direct petrol injection and ignition system (6-cyl. 3.0 ltr. TFSI 4-valve)
- TDI injection and glow plug system (4-cyl. 2.0 ltr. 4-valve common rail, generation II)
- 4-cylinder TDI engine (2.0 ltr. 4-valve common rail - generation II), mechanics
- Direct petrol injection and ignition system (8-cyl. 4.2 ltr. 4-valve), RS?5
- 8-cylinder direct petrol injection engine (4.2 ltr. 4-valve RS 5), mechanics
- 6-cylinder direct petrol injection engine with supercharger (3.0 ltr. 4-valve), mechanics
- TDI injection and glow plug system (6-cyl. 3.0 ltr. 4-valve common rail, generation II)
- 6-cylinder TDI engine (3.0 ltr. 4-valve common rail - generation II), mechanics
- Direct injection and ignition system (4-cyl. 1.8 ltr., 2.0 ltr. 4-valve turbo - generation III)
- 4-cylinder direct injection engine (1.8, 2.0 ltr. 4-valve TFSI - generation III), mechanics
- Power transmission
- Vehicle electrics
- Heating, ventilation, air conditioning system