BMW 3 Series G20 — Reliability

G20 2019–2020 1 engine

Reliability Summary

Engine B57 — 82/100 BUY
Known Issues 3

Engine in this model

BUY 82

B57

3.0L Turbo Diesel I6

Smooth, torquey straight-six diesel in single-, twin- and (until 2020) quad-turbo form. Strong long-...

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Known Issues Across All Engines

Issue Engine Severity Onset
EGR cooler coolant leak — intake manifold melt, fire risk (recall) B57 critical 110,000 km
Intake manifold, swirl flap and EGR valve carbon build-up B57 moderate —
DPF loading on short trips B57 moderate —