Produced between 1995 and 1998, the 3.7-liter Audi AEW engine, also known as the 3.7-liter A8 D2 engine, was fitted to the front and all-wheel drive versions of the well-liked A8 model in the D2 body. There are minor variations in the injection system and a comparable motor with the AKJ index.
The EA824 series includes: AEW, ABZ, BFL, BFM, AXQ, BVJ, CDRA, BAR, CRDB, CEUA.
Specifications
| Production years | 1995-1998 |
| Displacement, cc | 3697 |
| Fuel system | distributed injection |
| Power output, hp | 230 |
| Torque output, Nm | 315 |
| Cylinder block | aluminum V8 |
| Block head | aluminum 32v |
| Cylinder bore, mm | 84.5 |
| Piston stroke, mm | 82.4 |
| Compression ratio | 10.8 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | belt & 2 chains |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 7.5 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Audi A8 quattro 1996) — city — highway — combined |
19.6 9.0 12.9 |
| Engine lifespan, km | ~310 000 |
The engine was installed on:
- Audi A8 D2 (4D) in 1995 – 1998.
Disadvantages of the Audi AEW engine
It fears overheating and bad gas, just like any aluminum block engine;
Frequent overheating and maintenance savings result in scoring;
Low-quality oil frequently causes hydraulic lifters to make noise; keep an eye on the timing belt’s condition because when it breaks, the valves usually bend; lubrication leaks are also frequently found, particularly at the motor-gearbox junction.