The 4.2-liter Audi BVJ or A6 4.2 FSI engine was produced by the company from 2006 to 2010 and was installed on such well-known models as the A6 and A8, including the Allroad off-road version. An updated modification of this engine with the CDRA index was installed on the A8 sedans in the back of the D4.
The EA824 series includes: AEW, ABZ, BFL, BFM, AXQ, BVJ, CDRA, BAR, CRDB, CEUA.
Specifications
| Production years | 2006-2010 |
| Displacement, cc | 4163 |
| Fuel system | direct injection |
| Power output, hp | 350 |
| Torque output, Nm | 440 |
| Cylinder block | aluminum V8 |
| Block head | aluminum 32v |
| Cylinder bore, mm | 84.5 |
| Piston stroke, mm | 92.8 |
| Compression ratio | 12.5 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | on the intake and exhaust |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 9.1 |
| Fuel type | petrol |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Audi A6 2008) — city — highway — combined |
14.8 7.5 10.2 |
| Engine lifespan, km | ~260 000 |
The engine was installed on:
- Audi A6 C6 (4F) in 2006 – 2010;
- Audi A8 D3 (4E) in 2006 – 2010.
Disadvantages of the Audi BVJ engine
- This engine often consumes oil and the main reason is seizures in the cylinders.
- A significant part of engine problems is associated with malfunctions in the direct injection system.
- After 200,000 km, timing chains often stretch, and replacing them is difficult and expensive.
- Also often there is a loss of tightness of the plastic intake manifold.
- The weak points of this engine include the oil separator and ignition coils.
