BMW 6 Series E63 — Reliability

E63 2007–2010 1 engine

Reliability Summary

Engine N53 — 25/100 AVOID
Known Issues 2

Engine in this model

AVOID 25

N53

3.0L DI I6

N54 reliability without turbo power. Worst of both worlds. EU only.

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Known Issues Across All Engines

Issue Engine Severity Onset
Piezoelectric injector failure — parts scarce N53 critical 40,000 km – 120,000 km
Chronic lean running / mixture issues N53 high 40,000 km – 100,000 km