EngineCreep
DE

Most Reliable Diesel Engines

6 engines · ranked from the same owner reports as every score

Diesel engines from the database, ranked by reliability score, highest first.

M57
330d92/100
3.0 LDieselInline-62005–2011
Excellent
92/100
Main problems
  • DPF clogging / regeneration failure
  • Crankshaft vibration damper failure
  • Oil pump wear / sludge buildup
3.0 LDieselInline-62005–2011
M47
320d82/100
2.0 LDieselInline-42001–2007
Good
82/100
Main problems
  • Swirl flap failure
  • High-pressure fuel pump failure
  • DPF clogging / regeneration failure
2.0 LDieselInline-42001–2007
B57
330d78/100
3.0 LDieselInline-62019–2025
Good
78/100
Main problems
  • EGR cooler leak
  • DPF clogging / regeneration failure
  • Piston ringland failure
3.0 LDieselInline-62019–2025
B47
320d75/100
2.0 LDieselInline-42015–2018
Good
75/100
Main problems
  • EGR cooler leak (fire risk)
  • Turbocharger failure
  • Timing chain stretch / guide wear
2.0 LDieselInline-42015–2018
B47
1 Series · 120D74/100
2.0 LDieselInline-42015–2019
Good
74/100
Main problems
  • EGR cooler leak
  • Timing chain stretch / guide wear
  • DPF clogging / regeneration failure
2.0 LDieselInline-42015–2019
B47
1 Series · 118D70/100
2.0 LDieselInline-42015–2019
Good
70/100
Main problems
  • EGR cooler leak (fire risk)
  • DPF clogging / regeneration failure
  • Timing chain stretch / guide wear
2.0 LDieselInline-42015–2019