From 2003 to 2008, the company produced the 2.5-liter Audi BDG 2.5 TDI diesel engine, which was fitted to well-known company models like the A4 B7, A6 C5, and Volkswagen Passat B5. This diesel engine was assembled for the longest time in its family because of the installation on the Skoda Superb.
The EA330 series also includes: AFB, AKE, AKN, AYM, BAU, BDG, BDH.
Specifications
| Production years | 2003-2008 |
| Displacement, cc | 2496 |
| Fuel system | direct injection |
| Power output, hp | 163 |
| Torque output, Nm | 350 |
| Cylinder block | cast iron V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 78.3 |
| Piston stroke, mm | 86.4 |
| Compression ratio | 18.5 |
| Features | 2 x DOHC |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | VGT |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 6.0 |
| Fuel type | diesel |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Audi A4 2005) — city — highway — combined |
9.6 5.3 6.8 |
| Engine lifespan, km | ~320 000 |
The engine was installed on:
- Audi A4 B6 (8E) in 2003 – 2004; A4 B7 (8E) in 2004 – 2005;
- Audi A6 C5 (4B) in 2003 – 2004;
- Skoda Superb 1 (3U) in 2003 – 2008;
- Volkswagen Passat B5 (3B) in 2003 – 2005.
Disadvantages of the Audi BDG engine
Failures of the VP44 injection pump are linked to all of this diesel engine’s most frequent issues;
On specialized forums, numerous instances of hollow camshaft destruction have been reported;
Additionally, owners frequently come across a wedge of turbine geometry on high mileage; grease leaks frequently occur here, particularly from beneath the valve covers;
Hydraulic lifters and pressure-reducing valves wear out here because of bad oil.