Engine Oil and Fluid Recommendation for Audi A4, S4, RS4 (8E2, B6; 8EC, B7; 8HE/8H7) – A4 2.5 TDI quattro Properly selected engine oil for a car is the key to a long and trouble-free operation of the engine.
  • Engine: AKE, BAU, BDH
  • Engine oil capacity, liter: 5.3
  • Manual transmission capacity, liter: 3.2-3.5
  • Automatic transmission capacity, liter: 9.0
  • Differential capacity, liter: 0.8/1.5
  • Power steering capacity, liter: 0.8
  • Cooling system capacity, liter: 10.0
  • Year: 2001-04

Engine oil

  • Synthetic oil: Longlife III 5W-30 (Longlife 3 5W-30)

Manual transmission

  • Synthetic gear oil: 75W90 GL5

Differential

  • Synthetic gear oil: 75W90 GL5

Automatic transmission

  • Synthetic transmission fluid: AISIN-AW

Power steering

  • Hydraulic fluid: CHF/Central Hydraulic Fluid

Cooling system

  • Antifreeze for the engine: Antifreeze G12+ violet