Wahey! Everybody keeps asking what the next star level is...... I came to the conclusion that the Board software just deletes you after 16.5K posts!!!!!!
If it'd been mine i'd have to of ebayed it by now..... otherwise i would have had to hit every panel and pane of glass with a hammer to vent my frustration!
Anti Perforation warranty is six years I believe. Supposed to have a yearly bodywork inspection stamp in the service book though as the stealers tend not to honour the claim....
Certainly sounds like clutch, the engine stabiliser bar also needs replacing around 40k as well, you can tell when they are rubbish because gear changes are jerky.
If you don't have the code and guessing that that may not be the original HU from delivery (Quite a few of those ones were swapped by the dealers due to various faults) then i'd pull the unit and see if the code is written on it.... dealers are like the computer users where I work - passwords and codes are written on post it notes and stuck on the box!