Hello Wissende, -100 Kmh Approval, tires must not be older than 6 years – if a new -100Kmh trailer- on tires comes along the lt. DoT are already 18months old, i.e. in the 2nd TüV cycle can no longer be driven after 5 months I find that not ok. facts: tire production date KW36/2011, Hanger EZ March 2013, first TüV March 2015, next TüV March 2017, tire approval date ends 08/2017 How do you see this and how could the argumentatioin vis-à-vis the dealer a ussehen? Thanks for the tips pm