كتب : Hatem Maher
Italian hitman continued his goal-per-game run as he scored the opener in the 29th minute.
Hannover's hopes of grabbing the equalizer suffered a blow when Altin Lala was sent-off just before the break.
Dutch midfielder Mark van Bommel doubled the hosts' lead nine minutes past the hour mark before Turkish midfielder Hamit Altintop ensured the win three minutes from time.
The Bavarian giants' 100% record put them in charge of the Bundesliga table with nine points while Hannover lie 16th on just three points.
Elsewhere, Mario Gomez's strike was enough to give defending champions Stuttgart a 1-0 victory over Duisburg.
Borussia Dortmund crushed Energie Cotbus 3-0, thanks to a goal from Florian Kringe and a brace by Diego Klimovicz.