The 5.2-liter V10 Audi BXA was produced from 2006 to 2010 and was installed on the Audi S6. This naturally aspirated FSI engine with direct injection produces 435 hp and 540 Nm.
V10 EA824 family: BSM, BXA, BUJ, BUH.
Specifications
| Production years | 2006-2010 |
| Displacement, cc | 5204 |
| Fuel system | direct injection |
| Power output, hp | 435 |
| Torque output, Nm | 540 |
| Cylinder block | aluminum V10 |
| Block head | aluminum 40v |
| Cylinder bore, mm | 84.5 |
| Piston stroke, mm | 92.8 |
| Compression ratio | 12.5 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | on all shafts |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 9.8 |
| Fuel type | petrol |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Audi S6 2008) — city — highway — combined |
18.5 9.1 12.6 |
| Engine lifespan, km | ~200 000 |
| Weight, kg | 262 |
The engine was installed on:
- Audi S6 C6 (4F) in 2006 – 2010.
Disadvantages of the Audi BXA engine
- The aluminum block without liners does not tolerate poor fuel and oil;
- Parts of the intake swirl flaps can break off and fall into the cylinders;
- Like all direct-injection engines, it is prone to carbon deposits on the intake valves;
- At about 150,000 km the timing chains often need replacing, which is very expensive;
- Weak points also include ignition coils, the catalytic converter and the high-pressure fuel pumps.
Frequently asked questions about the Audi BXA
How much power does the Audi BXA make?
The Audi BXA develops 435 hp and 540 Nm of torque.
How much oil does the Audi BXA take and which one?
Engine oil capacity: 9.8 liters. Recommended oil: 5W-30.
Does the Audi BXA have a timing belt or chain?
The Audi BXA uses a timing chain.
Is the Audi BXA turbocharged?
No, the Audi BXA is naturally aspirated.
Does the Audi BXA need valve clearance adjustment?
No, the Audi BXA has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Audi BXA last?
The typical lifespan of the Audi BXA is ~200 000 km with proper maintenance.
What is the fuel consumption of the Audi BXA?
Audi S6 2008: city 18.5, highway 9.1, combined 12.6 L/100 km.
What cars was the Audi BXA installed on?
Audi S6 C6 (4F) in 2006 - 2010.
What are the common problems of the Audi BXA?
The aluminum block without liners does not tolerate poor fuel and oil. Parts of the intake swirl flaps can break off and fall into the cylinders. All known problems.





