M97.21
Production History
- Cayman S (987.1) - 2006-2008
- Cayman S (987.1 facelift) - 2007-2008
Known Failures
- IMS bearing wear - intermediate shaft bearing can fail between 60k-100k miles on pre-2009 units.
- Bore scoring - cylinder wall scoring from piston slap affects high-mileage M97 engines.
- Air-oil separator failure - PCV system degradation causes oil consumption and rough idle.
Specs
Petrol · 3.4L · 291-295hp · Naturally Aspirated
Replacement Cost
Typical UK rebuilt engine: £4,200-£8,900 (supply only)




