EngineCreep
DE

BMW 1 Series
engines

11 engines scored

Every BMW 1 Series engine we score, sorted into what we would do: buy it, buy it only with the service history to prove it, or walk away unless the price allows for the repairs.

Buy

Scoring 70 or more.

B58
1 Series F20 LCI · M140i87/100
3.0 LPetrolInline-62016–2019
Excellent
87/100
Main problems
  • Oil pump wear / sludge buildup
  • High-pressure fuel pump failure
  • Water pump failure
3.0 LPetrolInline-62016–2019
B48
1 Series F20 LCI · 120i82/100
2.0 LPetrolInline-42016–2019
Good
82/100
Main problems
  • Water pump failure
  • Timing chain stretch / guide wear
  • Piston ringland failure
2.0 LPetrolInline-42016–2019
B38
1 Series F20 LCI · 118i74/100
1.5 LPetrolInline-32015–2019
Good
74/100
Known issues
  • Nothing confirmed yet from owner reports.
1.5 LPetrolInline-32015–2019
B47
1 Series F20 LCI · 120d72/100
2.0 LDieselInline-42015–2019
Good
72/100
Main problems
  • EGR cooler leak
  • Timing chain stretch / guide wear
  • DPF clogging / regeneration failure
2.0 LDieselInline-42015–2019
B47
1 Series F20 LCI · 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
N55
1 Series F20 LCI · M135i70/100
3.0 LPetrolInline-62015–2016
Good
70/100
Main problems
  • Rod bearing failure
  • Oil filter housing gasket leak
  • High-pressure fuel pump failure
3.0 LPetrolInline-62015–2016

Avoid, or buy cheap

Scoring under 55: price in the repairs before you buy.

N13
1 Series F20 · 118i54/100
1.6 LPetrolInline-42011–2015
Risky
54/100
Main problems
  • Timing chain stretch / guide wear
1.6 LPetrolInline-42011–2015
N13
1 Series F20 · 114i50/100
1.6 LPetrolInline-42012–2015
Risky
50/100
Main problems
  • Timing chain stretch / guide wear
  • Fuel injector failure
1.6 LPetrolInline-42012–2015
N20
1 Series F20 · 125i49/100
2.0 LPetrolInline-42012–2015
Risky
49/100
Main problems
  • Oil pump wear / sludge buildup
  • Timing chain stretch / guide wear
  • High-pressure fuel pump failure
2.0 LPetrolInline-42012–2015
N47
1 Series F20/F21 · 120d40/100
2.0 LDieselInline-42011–2014
Risky
40/100
Main problems
  • High-pressure fuel pump failure
  • Timing chain stretch / guide wear
  • DPF clogging / regeneration failure
2.0 LDieselInline-42011–2014
N47
1 Series F20 · 114d38/100
1.6 LDieselInline-42012–2015
Avoid
38/100
Main problems
  • High-pressure fuel pump failure
  • Timing chain stretch / guide wear
  • DPF clogging / regeneration failure
1.6 LDieselInline-42012–2015