Porsche 911 996 — Reliability

996 1998–2001 1 engine

Reliability Summary

Engine M96 — 55/100 CAUTION
Known Issues 2

Engine in this model

CAUTION 55

M96

M96 3.4/3.6 Flat-6

996 Carrera/Boxster. IMS bearing failure = catastrophic. RMS leak. Bore scoring (Lokasil). D-chunk c...

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Known Issues Across All Engines

Issue Engine Severity Onset
IMS bearing failure M96 critical 60,000 km – 150,000 km
Bore scoring (Lokasil) M96 high 60,000 km – 150,000 km