Engine Renault B4A

The 0.8-liter Renault B4A or 0.8 SCe engine has been produced at a plant in India since 2015 and is installed on budget models built on the CMF-A platform, such as Kwid or Datsun redi-GO. According to the nomenclature of the Nissan concern, such a power unit is known under its index BR08DE.

The SCe line: B4A, B4D, H4D, H4M, M4R, M5R, 2TR, V4U, V4Y.


Production years since 2015
Displacement, cc 799
Fuel system distributed injection
Power output, hp 54
Torque output, Nm 72
Cylinder block aluminum R3
Block head aluminum 12v
Cylinder bore, mm 69
Piston stroke, mm 71.2
Compression ratio 10.5
Features DOHC
Hydraulic lifters no
Timing drive chain
Phase regulator no
Turbocharging no
Recommended engine oil 5W-40
Engine oil capacity, liter 3.0
Fuel type petrol
Euro standards EURO 5
Fuel consumption, L/100 km (for Renault Kwid 2017)
— city
— highway
— combined
Engine lifespan, km ~250 000
Weight, kg 50

The engine was installed on:

  • Renault Kwid 1 (BW) since 2015;
  • Datsun redi-Go 1 (CD0) since 2016 (as BR08DE).

Disadvantages of the Renault B4A engine

  • On specialized forums, the engine is mostly praised, no weaknesses were found;
  • The main thing is to monitor the cooling system, all aluminum engines are afraid of overheating;
  • Since there are no hydraulic lifters, the valves will have to be adjusted every 100,000 km;
  • However, the main problem is the lack of spare parts, there are only consumables.

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