What is your profit target and stop loss? It seems it is very close to the T-Notes in the US, isn't it?
this isn't much help but to an experienced trader your question is analagous to you asking someone who drives a car: "if you drive on roads how fast do you go and when do you brake?" its a nonsense question. watch the bund for a few months...preferably most of the intraday ticks...then ask a better question. Q1