B37C15K0B37C15U0

B37TÜ1 1.5 diesel 95-116 hp (from late 2017) engine: faults and reliability

BMW B38 (1.5 gasolina) and B37 (1.5 diésel) de tres cilindros version

Buy

Same mechanical basis as the earlier B37, with no serious documented faults; adds AdBlue, which means checking the level and condition of the system.^[1]

Years

since 2017

Power

95–116 hp

Faults that affect it

0 of high or critical severity

Cars that use it

in our database

Reviewed on 30 October 202611 sources How we work

What changes in this version

November 2017 update: selective catalytic reduction with AdBlue, particulate filter, 2,200 bar injection pressure and new cylinders and pistons to reduce noise, to meet Euro 6c.^[1][2]

Engine codes of this version: B37C15K0, B37C15U0.

Faults of the B37C15K0 engine

The documented engine faults that affect this version and its years, from most to least important.

None of the documented BMW B38 / B37 faults affect this version. See all BMW B38 / B37 faults

Cars fitted with the B37C15K0 engine

Open each car to see all its faults with this engine and what to check before buying it.

BMW

BMW Serie 1 F20118i · 116d · 116i · 114d2015–2019^[4][5][6]
BMW Serie 1 F40118i · 116d2019–2024^[7]
BMW Serie 2 Active Tourer F45216i · 218i · 214d · 216d2014–2021^[6][8][9]
BMW Serie 2 Gran Tourer F46216i · 218i · 214d · 216d2015–2021^[6][8]
BMW X1 F48sDrive18i · sDrive16d2015–2022^[10]
BMW X2 F39sDrive18i · sDrive16d2018–2023^[11]

MINI

MINI Cooper F56One · Cooper · One D · Cooper D2014–2024^[3]
MINI Cooper F55One · Cooper · One D · Cooper D2014–2024^[3]

Frequently asked questions

Is the B37C15K0 engine reliable?

Our verdict is “Buy”. Same mechanical basis as the earlier B37, with no serious documented faults; adds AdBlue, which means checking the level and condition of the system.^[1]

Which cars use the B37C15K0 engine?

MINI Cooper F56 (2014–2024), MINI Cooper F55 (2014–2024), BMW Serie 1 F20 (2015–2019), BMW Serie 1 F40 (2019–2024), BMW Serie 2 Active Tourer F45 (2014–2021), BMW Serie 2 Gran Tourer F46 (2015–2021), BMW X1 F48 (2015–2022) and BMW X2 F39 (2018–2023).^{[3][4][5][6][7][8][9][10][11]}

Are you buying a car with the B37C15K0 engine?

Check the history before buyingMileage, inspection record (ITV in Spain), outstanding finance and accidents for the car you are interested in, from the registration number or the VIN.Request a report

We will put you in touch with a partner only if you authorise it in the form.

Do you have a car with this engine? Tell us which faults you have had and at how many kilometres. Report your fault.

Sources

Every fact on this page links to its source. If you find an error, let us know.

BMW Baukasten-Diesel: Mehr Infos zur TÜ1 für B47 und B37BimmerToday · Motoring press · published 20 November 2017 · consulted 4 October 2026 · in German
BMW B37 (Wikipedia, alemán)Wikipedia · Other source · consulted 4 October 2026 · in German
Mini Hatch (Wikipedia)Wikipedia · Other source · consulted 4 October 2026
BMW 1 Series (F20) (Wikipedia)Wikipedia · Other source · consulted 4 October 2026
BMW 1er Facelift 2015: 118i ab Juli mit Dreizylinder-Motor B38BimmerToday · Motoring press · published 6 February 2015 · consulted 4 October 2026 · in German
BMW B37 (Wikipedia)Wikipedia · Other source · consulted 4 October 2026
BMW 1 Series (F40) (Wikipedia)Wikipedia · Other source · consulted 4 October 2026
BMW 2 Series Active Tourer (F45) (Wikipedia)Wikipedia · Other source · consulted 4 October 2026
BMW Dreizylinder: Dauertest-Probleme des B38 behoben?BimmerToday · Motoring press · published 5 October 2017 · consulted 4 October 2026 · in German
BMW X1 (F48) (Wikipedia)Wikipedia · Other source · consulted 4 October 2026
BMW X2 (Wikipedia)Wikipedia · Other source · consulted 4 October 2026