"Robben and Ribery are great players and when we defend we’ll really need to concentrate if we're to stop them," he told ManUtd.com.
"It’ll be a difficult game, but we are confident. If we want to win every trophy then we have to believe in ourselves."
The Reds found the net three times on their European travels last time out against AC Milan and, like his manager, the Portuguese winger has reiterated the importance of snatching at least one away goal.
"Everyone knows away goals can be very important and we need to try and score as many as possible in Germany," he added.