Engine Audi BYT

The Audi BYT or A3 1.8 TFSI 1.8-liter turbo engine was assembled from January to June 2007 and installed on the second generation of the Audi A3, as well as Seat models such as Altea or Toledo 3. This unit was the first representative of the EA888 series and is sometimes referred to as a generation gen0.

The EA888 gen1 series includes: BYT, BZB, CABA, CABB, CABD, CAWA, CAWB, CBFA, CCTA, CCTB.


Production years 2007
Displacement, cc 1798
Fuel system direct injection
Power output, hp 160
Torque output, Nm 250
Cylinder block cast iron R4
Block head aluminum 16v
Cylinder bore, mm 82.5
Piston stroke, mm 84.2
Compression ratio 9.6
Features DOHC
Hydraulic lifters yes
Timing drive chain
Phase regulator on the intake shaft
Turbocharging KKK K03
Recommended engine oil 5W-30
Engine oil capacity, liter 4.6
Fuel type petrol
Euro standards EURO 4
Fuel consumption, L/100 km (for Audi A3 2007)
— city
— highway
— combined
Engine lifespan, km ~230 000
Weight, kg 154

The engine was installed on:

  • Audi A3 2 (8P) in 2007;
  • Seat Altea 1 (5P) in 2007;
  • Seat Toledo 3 (5P) in 2007.

Disadvantages of the Audi BYT engine

  • This engine was produced for only six months and information about its reliability is at least;
  • During the modernization, the manufacturer changed the crankcase ventilation system, probably due to its problems;
  • All engines in this series have a modest timing chain resource, sometimes less than 100,000 km;
  • The network often complains about floating speed due to soot on the intake valves;
  • The weak points of the engines of this line include the catalyst, pump and ignition coils.

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