Engine BMW N20B16

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.

The engine was installed on:

  • BMW F10 520i in 2013 – 2016;
  • BMW G30 520i since 2017;
  • BMW G20 320i since 2018.

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 98
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

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.

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