[MBAtarga]

Originally Posted by speeder

I should have qualified my statement; you cannot replace the IMS w/o completely tearing down the engine.

Sorry - but you're wrong again. European Parts Solutions has a kit that allows replacement without disassembly. It's not cheap to purchase, but can be rented for $400 ($1500 core charge.)

Porsche IMS Bearing Tool Kit - Intermediate Shaft Bearing Repair Tool Kit 996, 997, Boxster, Cayman — European Parts Solution

There's a video (can't get it to embed here) on that page that shows the issue and the product in use.