M96
Porsche · M96 3.4/3.6 Flat-6
1997–2005
"996 Carrera/Boxster. IMS bearing failure = catastrophic. RMS leak. Bore scoring (Lokasil). D-chunk crankcase fracture. Beautiful engine with a serious design flaw. IMS upgrade is mandatory."
Mileage Risk Timeline
When problems typically appear — enter your mileage to see your risk zone
Known Issues 2
IMS bearing failure
▸Metallic noise from rear of engine, oil leaking
Intermediate shaft bearing starved of oil. Failure = destroyed engine. Aftermarket upgrade bearings available.
IMS — ΚΡΙΣΙΜΟ. Αναβάθμιση ρουλεμάν υποχρεωτική. €1,500-5,000.
Bore scoring (Lokasil)
▸Knocking noise, oil consumption, low compression
Nikasil/Lokasil liner scoring. Requires rebuild or sleeve.
Γρατζουνιά κυλίνδρων — €3,000-10,000 ανακατασκευή.
Models with M96 10
Related Guides
Other Porsche Engines
Tuning Potential
Stage 1 with intake/exhaust
Frequently Asked Questions
Is the Porsche M96 reliable?
The Porsche M96 scores 55/100 with a verdict of CAUTION. It has 2 documented issues with total repair costs between €4,500 and €15,000.
What are the common problems with the M96?
The most common issues are:
- IMS bearing failure — critical, repair cost €1,500–€5,000, 60,000 km–150,000 km
- Bore scoring (Lokasil) — high, repair cost €3,000–€10,000, 60,000 km–150,000 km
What cars use the Porsche M96?
How much does it cost to repair the M96?
Total potential repair costs for all 2 known issues range from €4,500 to €15,000. The most expensive issue is typically .
What years was the M96 produced?
The Porsche M96 was produced from 1997 to 2005. It is a 3596cc F6 petrol na engine.
Scores are calculated from documented issues, repair costs, and failure patterns across thousands of owner reports and technical sources. Learn about our methodology. Always inspect before you buy.