Engine Audi ASN

The company assembled the 3.0-liter 30-valve Audi ASN 3.0 V6 engine from 2000 to 2005 and installed it on advanced modifications of a number of popular models, such as the A4, A6 and A8. There was a derated version of the unit for developing countries under the BBJ index.

The EA835 series includes: ABC, AAH, ALF, BDV, ARE, ACK, ALG, BBJ, ASN.


Production years 2000-2005
Displacement, cc 2976
Fuel system injector
Power output, hp 220
Torque output, Nm 300
Cylinder block aluminum V6
Block head aluminum 30v
Cylinder bore, mm 82.5
Piston stroke, mm 92.8
Compression ratio 10.5
Features no
Hydraulic lifters yes
Timing drive chains + belt
Phase regulator on all shafts
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 6.3
Fuel type petrol
Euro standards EURO 4
Fuel consumption, L/100 km (for Audi A6 2003)
— city
— highway
— combined
Engine lifespan, km ~350 000

The engine was installed on:

  • Audi A4 B6 (8E) in 2000 – 2004;
  • Audi A6 C5 (4B) in 2001 – 2005;
  • Audi A8 D3 (4E) in 2003 – 2005.

Disadvantages of the Audi ASN engine

  • The motor is aluminum, but it is sleeved from the factory and it does not have frequent problems with scuffing;
  • The most common engine failure is the failure of the ignition coils;
  • On a run of about 100,000 km, phase regulators often require repair or replacement;
  • Sleeves crumble from overheating, cracks in the block appear, oil leaks, antifreeze;
  • Also, the crankcase ventilation system is regularly clogged and sensors fail.

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