Audi Timing Belt Replacement

http://Audi.autoboardz.com/Audi-A8-Timing-Belt-ftopict213297.html (Audi A8 Timing Belt...should I...or should I not?)
Hi guys. I have 1997 Audi A8, buoght it used and never have had any problems. Now it has 100,000 miles. Is it time to change a timing belt or can I just keep driving? Thanks for all your help and ti..
« Jan: Has the belt ever been changed? Previous owner change? To avoid severe damage to your engine, I would replace it asap. My RS6 is in .. »
« Jan: Just keep driving. I want to hear how much it REALLY costs to rebuild one of those things ... -- C.R. Krieger (pulling up a chair to.. »
« Wish I had a warranty like that! »

http://Audi.autoboardz.com/Audi-A4-timing-belt-replacement-letter-dealer-ftopict180066.html (Audi A4 timing belt replacement - letter from dealer)
I have an 02 reg Audi A4 Quattro 1.9 diesel. I recently received a letter from my dealer stating that Audi are changing the recommended timing belt replacement from 60,000 miles to 4 years (for die..
« "gmickflyer": I also received a similar Letter from the local dealer saying that Audi UK recommend changing the timing belt on all Audi's .. »
« In message "gmickflyer": Yes, Audi UK (and I presume that this advice has come from the factory in Germany) have declared th.. »
« i worked for audi as a senior technician for a lot of years and my experiance with the pd 1.9 engines is the belt should be changed with i.. »