[911monty]

2005 3.2 M96 for Boxster S was the transitional year for the large non serviceable IMSB.

https://lnengineering.com/products/the-definitive-guide-and-faq-for-porsche-ims-bearings/my06-08-porsche-cayman-boxster-911-ims-bearing.html?limit=8&mode=list