BMW M57
vs B57
M57 92/100 · B57 78/100
On our scores the BMW M57 is the safer buy: 92/100 against 78/100 for the BMW B57.
Version by version
BMW M57
92/100
13 confirmed issues
Best-known problemDPF clogging / regeneration failure · from 193k km · €150–2,000
BMW B57
78/100
10 confirmed issues
Best-known problemEGR cooler leak · from 80k km · up to €1,800
The problems they share
Reported on both
- DPF clogging / regeneration failure
- Excessive oil consumption
- Water pump failure
- Fuel injector failure
- Thermostat / temperature sensor failure
- EGR valve / swirl flap clogging
- Intercooler failure or leak
Only on the BMW M57
- Crankshaft vibration damper failure
- Oil pump wear / sludge buildup
- High-pressure fuel pump failure
- Engine sensor failure
- Oil leak from seals or gaskets
- Wastegate / boost actuator failure
Only on the BMW B57
- EGR cooler leak
- Piston ringland failure
- Head gasket failure