Engine Audi BAR

The 4.2-liter Audi BAR or Q7 4.2 FSI engine was produced by the company from 2005 to 2010 and was installed on such well-known crossovers as the Audi Q7 and the first generation Volkswagen Touareg. On the second generation of the Touareg, an updated version of this engine with the CGNA index is found.

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


Production years 2005-2010
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 all shafts
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 9.2
Fuel type petrol
Euro standards EURO 4
Fuel consumption, L/100 km (for Audi Q7 2007)
— city
— highway
— combined
Engine lifespan, km ~250 000

The engine was installed on:

  • Audi Q7 1 (4L) in 2005 – 2010;
  • Volkswagen Touareg 1 (7L) in 2006 – 2009.

Disadvantages of the Audi BAR engine

  • The most famous problem of the motor is the oil burner due to scuffing in the cylinders;
  • Also, a lot of problems for owners are caused by a capricious direct injection system;
  • Timing chains are not the biggest resource, and their replacement is difficult and expensive;
  • Plastic intake manifold prone to cracking and leaking;
  • Ignition coils often fail and leaks occur at the junction of the engine and gearbox.

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