Only run synthetic oil in a TDI. Change it every 10K miles..... uh 15000 KM
Big +1 on the timing belt.
Also check the turbo linkage. They often are set too fast.
Fred's TDI Page. TDIClub.com. VW TDI Enthusiast Community has a good how to on the turbo linkage.
Can't wait for pics and KPG#s