Engine Renault B4D

The 1.0-liter Renault B4D or 1.0 SCe engine has been produced in India and Brazil since 2015 and is installed on budget Renault and Dacia models, as well as on Nissan and Datsun under the BR10DE index. There are two modifications of the motor: SCe 70 without phase regulators, SCe 75 with phase regulators.

The SCe line includes engines: B4A, B4D, H4D, H4M, M4R, M5R, V4U, V4Y.

Specifications

Production years since 2015
Displacement, cc 999
Fuel system distributed injection
Power output, hp 70 (B4D LS or SCe 70)
73 (B4D HS or SCe 75)
Torque output, Nm 91 (B4D LS or SCe 70)
95 (B4D HS or SCe 75)
Cylinder block aluminum R3
Block head aluminum 12v
Cylinder bore, mm 71
Piston stroke, mm 84.1
Compression ratio 10.5 (B4D LS or SCe 70)
11.0 (B4D HS or SCe 75)
Features DOHC
Hydraulic lifters no
Timing drive chain
Phase regulator no (B4D LS or SCe 70)
yes (B4D HS or SCe 75)
Turbocharging no
Recommended engine oil 5W-40
Engine oil capacity, liter 3.0
Fuel type petrol
Euro standards EURO 5 (B4D LS or SCe 70)
EURO 6 (B4D HS or SCe 75)
Fuel consumption, L/100 km (for Dacia Logan 2018)
— city
— highway
— combined
6.1
4.4
5.0
Engine lifespan, km ~300 000
Weight, kg 67

The engine was installed on:

  • Dacia Logan 2 (L52) in 2016 – 2020;
  • Dacia Logan 2 MCV (R52) in 2016 – 2020;
  • Dacia Sandero 2 (B52) in 2016 – 2020;
  • Dacia Sandero 2 Stepway (B52x) in 2016 – 2020;
  • Renault Kiger 1 (HBC) since 2021;
  • Renault Kwid 1 (BW) since 2015;
  • Renault Triber 1 (RBC) since 2019;
  • Datsun redi-Go 1 (CD0) since 2016 (as BR10DE);
  • Nissan Magnite 1 (DD0) since 2020 (as BR10DE);
  • Nissan Micra 4 (K13) in 2015 – 2017 (as BR10DE).

Disadvantages of the Renault B4D engine

  • So far, no typical malfunctions have been noted on the specialized forums;
  • Keep an eye on the cooling system, as aluminum engines are afraid of overheating;
  • There are no hydraulic lifters and once every 100,000 km valve clearance adjustment is required;
  • Also, the owners complain about the shortage of spare parts, only consumables are easily available.

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