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.
3.7-4.2 V8 EA824 family: AEW, ABZ, BFL, BFM, AXQ, BVJ, CDRA, BAR.
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 |
| Weight, kg | 198 |
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.
Frequently asked questions about the Audi BVJ
How much power does the Audi BVJ make?
The Audi BVJ develops 350 hp and 440 Nm of torque.
How much oil does the Audi BVJ take and which one?
Engine oil capacity: 9.1 liters. Recommended oil: 5W-30.
Does the Audi BVJ have a timing belt or chain?
The Audi BVJ uses a timing chain.
Is the Audi BVJ turbocharged?
No, the Audi BVJ is naturally aspirated.
Does the Audi BVJ need valve clearance adjustment?
No, the Audi BVJ has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Audi BVJ last?
The typical lifespan of the Audi BVJ is ~260 000 km with proper maintenance.
What is the fuel consumption of the Audi BVJ?
Audi A6 2008: city 14.8, highway 7.5, combined 10.2 L/100 km.
What cars was the Audi BVJ installed on?
Audi A6 C6 (4F) in 2006 - 2010; Audi A8 D3 (4E) in 2006 - 2010.
What are the common problems of the Audi BVJ?
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. All known problems.
