Los Blancos trail 2-1 after last Tuesday's trip to the Allianz Arena but the former France international is in no doubt that the Liga leaders will get past Jupp Heynckes' side
In a video posted on the Liga leaders' official website, the legendary playmaker outlined that belief will be key as Los Blancos go about trying to overturn a 2-1 deficit from last week's meeting with their German opponents.
"To have defended the Real Madrid shirt is unique," the World Cup winner began. "To have beaten a player with skill is thrilling. To score a goal in the Bernabeu is magical.
"But there is something that leaves me speechless, it is when you are convinced that you will win a game. You will win this game."
Zidane, who won a World Cup and a European Championship with France, spent five seasons at the Bernabeu before retiring from the game in 2006.
Starting last month and continuing for 10 weeks, Goal.com is publishing exclusive extracts from Luca Caioli's new book, Ronaldo: The Obsession for Perfection. The fifth extract, published on Friday, looks at the Portuguese's intense rivalry with Barcelona's Lionel Messi.