Q: Is the hack still undetected if yes any detection history available for pre customers?
A: Yes it's undetected...the last punkbuster detection was early 2013 in BF3.

Q: Which features are safe which are not?
A: Once you are a customer here, all info is available in the private forum

Q: Do i have to disable DEP and all that stuff in order to use the cheat properly?
A: Yes, there is a setup guide available in the private forum