The IMS bearing is the most predictable problem on 1998-2008 Porsche 911’s, Boxsters and Caymans.
Here EPS highlight the boring kit required for the 2005 thru 2008 models. This eliminates the need to remove the engine in order to replace the stock ball bearing with the EPScylindrical roller bearing.
A replacement IMS cylindrical roller bearing kit with axial thrust control is available from European Parts Solutions. europeanpartssolution.com
More details on the IMS Porsche settlement can be found at imsporschesettlement.com