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.
SCe family: B4A, B4D, H4D, H4M, M4R, M5R, 2TR, 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.
Frequently asked questions about the Renault B4D
How much power does the Renault B4D make?
Power output of the Renault B4D, hp: 70 (B4D LS or SCe 70); 73 (B4D HS or SCe 75). Torque, Nm: 91 (B4D LS or SCe 70); 95 (B4D HS or SCe 75).
How much oil does the Renault B4D take and which one?
Engine oil capacity: 3.0 liters. Recommended oil: 5W-40.
Does the Renault B4D have a timing belt or chain?
The Renault B4D uses a timing chain.
Is the Renault B4D turbocharged?
No, the Renault B4D is naturally aspirated.
Does the Renault B4D need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the Renault B4D last?
The typical lifespan of the Renault B4D is ~300 000 km with proper maintenance.
What is the fuel consumption of the Renault B4D?
Dacia Logan 2018: city 6.1, highway 4.4, combined 5.0 L/100 km.
What cars was the Renault B4D 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 and 4 more (see the full list above).
What are the common problems of the Renault B4D?
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. All known problems.
