BMW X3 M40i G01 — Reliability

G01 SUV Mid SUV 2017–2024 1 engine

Reliability Summary

Engine B58 — 93/100 BEST
Known Issues 3

Engine in this model

BEST 93

B58

3.0L Turbo I6

Possibly BMWs best engine ever. Forged internals, insane tuning (600hp+). 300k+ km.

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Known Issues Across All Engines

Issue Engine Severity Onset
Coolant expansion tank / line failure — early units B58 moderate 60,000 km – 120,000 km
Plastic charge pipe crack B58 minor 60,000 km – 150,000 km
Valve cover gasket oil leak B58 minor 80,000 km – 160,000 km