Have just read the FIFA website and will happily reverse what I have just said above. The arm is not considered part of the body when determining if someone is level. At the moment the ball is played, part of the attacker's body is past the goalkeeper's head as he dives back towards the line -...
I agree with you. The keeper's arm was definitely on the line when the dortmund player scored. I don't see anything in the video to suggest their second goal was offside either (as mentioned previously)