The N20B16 petrol 4-cylinder turbo engine has been produced since 2013. This engine is installed on BMW 3- and 5-series cars with the 20i index for the Turkish, Greek and Vietnamese markets.
N20 family: N20B16, N20B20.
Specifications
| Production years | since 2013 |
| Displacement, cc | 1598 |
| Fuel system | direct injection |
| Power output, hp | 143 – 170 |
| Torque output, Nm | 220 – 250 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 84 |
| Piston stroke, mm | 72.1 |
| Compression ratio | 9.0 |
| Features | Valvetronic III |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | double VANOS |
| Turbocharging | twin-scroll |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.0 |
| Fuel type | petrol |
| Euro standards | EURO 5/6 |
| Fuel consumption, L/100 km (for BMW 320i 2012) — city — highway — combined |
8.2 4.9 6.1 |
| Engine lifespan, km | ~200 000 |
| Weight, kg | 157 |
The engine was installed on:
- BMW F10 520i in 2013 – 2016;
- BMW G30 520i since 2017;
- BMW G20 320i since 2018.
Disadvantages of the N20B16 engine
- Due to the insufficient performance of the oil pump, these motors often wedge;
- The cause of engine jamming is most often the loss of elasticity of the oil pump circuit;
- The plastic cup of the oil filter with the heat exchanger cracks and leaks here;
- Fuel injectors quickly become covered with dirt, and then strong vibrations appear;
- The flow meter, the idle control valve are famous for their not very high resource.
Frequently asked questions about the BMW N20B16
How much power does the BMW N20B16 make?
The BMW N20B16 develops 143 - 170 hp and 220 - 250 Nm of torque.
How much oil does the BMW N20B16 take and which one?
Engine oil capacity: 5.0 liters. Recommended oil: 5W-30.
Does the BMW N20B16 have a timing belt or chain?
The BMW N20B16 uses a timing chain.
Is the BMW N20B16 turbocharged?
Yes, the BMW N20B16 is turbocharged (twin-scroll).
Does the BMW N20B16 need valve clearance adjustment?
No, the BMW N20B16 has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the BMW N20B16 last?
The typical lifespan of the BMW N20B16 is ~200 000 km with proper maintenance.
What is the fuel consumption of the BMW N20B16?
BMW 320i 2012: city 8.2, highway 4.9, combined 6.1 L/100 km.
What cars was the BMW N20B16 installed on?
BMW F10 520i in 2013 - 2016; BMW G30 520i since 2017; BMW G20 320i since 2018.
What are the common problems of the BMW N20B16?
Due to the insufficient performance of the oil pump, these motors often wedge. The cause of engine jamming is most often the loss of elasticity of the oil pump circuit. All known problems.
What engines are related to the BMW N20B16?
N20 family: N20B20.
