Check this post it has good pic of the bad part.
Door Part Failure - 6speedonline.com Forums
--------------------------------------------------------------------------------
Both my fobs are toast and I'm waiting for the replacements to come from OrignalKeyless so I'm using the actual key to unlock the door. Today, after I got in the car and closed the door, I heard the sound of little metal bits falling inside the door. When I took the door apart, I found this...
Click the image to open in full size.
As I pondered my predicament, it occurred to me - what if this happened while I was locking the door from the outside? No fob, key not working - Yikes!
Anyway, my question is - looking at the piece that fell off - I'm thinking I need this part - 996 537 063 03. It is available with and without the tumbler - which has to come from Porsche because it matches the key. Is the broken part a piece of the tumbler or the support (part 15)?
Click the image to open in full size.
Has anyone done this and can confirm if I need to buy the tumbler or not?