Michael your chain might be fine but your tensioner should not move much. When you start up the car do you get a short clattering sound near the tensioner usually right front. If you do I would definately recommend a new tensioner. The debate still rages on doing both tensioner and chain at the same time. I will let you make that call.
2005 320 CDI
2006.5 VW Jetta TDI
1991 560SEL (179000 Sold)
1972 280SEL 4.5 ('The Lead Sled' 320000 miles when sold.)
1972 220D (225000 when sold)