BMW M3 F80 — Reliability

F80 Sedan Mid 2014–2018 1 engine

Reliability Summary

Engine S55 — 65/100 CAUTION
Known Issues 3

Engine in this model

CAUTION 65

S55

3.0L Twin-Turbo M I6

Track weapon. M-car level care mandatory. Fragile if abused.

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Known Issues Across All Engines

Issue Engine Severity Onset
Crankshaft hub failure — pre-2016 production S55 critical —
Rod bearing wear — M-car maintenance required S55 critical 60,000 km – 120,000 km
Turbo oil seal wear S55 moderate 80,000 km – 150,000 km