If you are looking for actual information go to
Pilotenboard.de :: DLR-Test, Lufthansa, AUA, ... :: Infos, Ausbildung, Erfahrungsberichte :: Index. This is a site dedicated to the LH selection at all its stages!
Don't waste time asking what a good score is etc. The only people who know for sure aren't going to tell you. On the day you will have no idea what tests you are going to get. We had at least two which were supposedly obsolescent. DLR also use the tests as a research tool and it is quite possible you will have tests that aren't even assessed but run in parallel until they establish a fair pass mark. Just relax and stay flexible.
KT