Engine Mini B37C15A

The 1.5-liter Mini Cooper D B37C15A diesel engine has been produced by the company since 2014 and is installed on the entire third-generation model range, including Clubman and Countryman. Such a power unit is essentially one of the representatives of the BMW B37 diesel family.

MINI diesel engines: W17D14, W16D16, N47C16A, N47C20A, B37C15A, B47C20A.


Production years since 2014
Displacement, cc 1496
Fuel system Common Rail
Power output, hp 95
Torque output, Nm 220
Cylinder block aluminum R3
Block head aluminum 12v
Cylinder bore, mm 84
Piston stroke, mm 90
Compression ratio 16.5
Features DOHC, intercooler
Hydraulic lifters yes
Timing drive chain
Phase regulator no
Turbocharging Mahle BV065
Recommended engine oil 5W-30
Engine oil capacity, liter 4.4
Fuel type diesel
Euro standards EURO 6
Fuel consumption, L/100 km (for Mini Cooper D 2018)
— city
— highway
— combined
Engine lifespan, km ~270 000

The engine was installed on:

  • Mini Cabrio 3 (F57) in 2016 – 2019;
  • Mini Clubman 2 (F54) since 2015;
  • Mini Countryman 2 (F60) since 2017;
  • Mini Hatch F55 in 2014 – 2019;
  • Mini Hatch 3 (F56) in 2014 – 2019.

Disadvantages of the Mini B37C15A engine

  • The main problems for the owner are the EGR valve, which is called AGR here;
  • It is to blame for sudden traction dips, loss of power and twitches;
  • Compared to the N47 diesel engine, the timing chains have become a little more reliable and run up to 200,000 km;
  • However, the intake swirl flaps here also quickly overgrow with soot and jam;
  • A lot of trouble, as usual, is associated with the whims of piezo injectors and a particulate filter.

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