Engine Audi BVJ

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.

The EA824 series includes: AEW, ABZ, BFL, BFM, AXQ, BVJ, CDRA, BAR, CRDB, CEUA.


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
Engine lifespan, km ~260 000

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.

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