EngineCreep
DE

BMW B58
in every car

3 cars · scores 87–91/100

We score the B58 in 3 cars. The best is the M340i G20 at 91/100, the weakest the M140i F20 LCI at 87/100.

Version by version

  1. BMW B58 in the M340i G202019–2025

    91/100Excellent

    12 confirmed issues

    Best-known problemOil pump failure · from 85k km · €1,500–4,000

  2. BMW B58 in the 340i F302016–2019

    87/100Excellent

    12 confirmed issues

    Best-known problemHigh-pressure fuel pump failure · from 161k km · €800–2,000

  3. BMW B58 in the M140i F20 LCI2016–2019

    87/100Excellent

    12 confirmed issues

    Best-known problemOil pump wear / sludge buildup · from 85k km · €1,500–4,000

The problems they share

Reported on all 3

  • High-pressure fuel pump failure
  • Piston ringland failure
  • Water pump failure
  • Rod bearing failure
  • Head gasket failure
  • Fuel injector failure
  • Variable valve timing solenoid/actuator failure
  • Oil leak from seals or gaskets
  • Wastegate / boost actuator failure
  • Dual-mass flywheel / clutch wear
  • Intercooler failure or leak

Only reported on the M340i G20

  • Oil pump failure

Only reported on the 340i F30

  • Engine sensor failure

Only reported on the M140i F20 LCI

  • Oil pump wear / sludge buildup

A problem missing from a version may be rarer there, or have fewer owner reports behind it so far.

Before and after

It replaced the BMW N55, which scores 70/100 across 3 cars.