Dortmund go into tomorrow's game in fourth place in the table, some 15 points adrift of Bayern, but will still be determined to prevail against Carlo Ancelotti's side. Indeed it may turn out to prove more of a nuisance for fourth-placed Dortmund, who are a point behind Julian Nagelsmann's side as they chance a top-three spot needed for guaranteed entry to next season's Champions League group stage. In the second half, Robert Lewandowski was stopped twice by Hoffenheim keeper Oliver Baumann.
Hunt sealed the three points for Hamburg after Bobby Wood broke the offside trap before squaring to the Germany global to tap in and end Hoffenheim's seven-match unbeaten run.
The leaders were 2-0 up in the opening 10 minutes, Franck Ribery's first time shot breaking the deadlock.
Bastian Schweinsteiger (left) beats Marco Reus to an air ball and heads it away during the 2013 Champions League final.
Three points against Bayern Munich could instill a boatload of confidence and add a lot of momentum to a Borussia Dortmund team that could use a boost going into the quarterfinals of the wildly competitive Champions League.
Lewandowski doubled their lead, whipping in a free-kick past Oliver Buerki six minutes later but a missile from Raphael Guerreiro in the 20th gave the visitors hope.
But before the heavyweight clash in Munich, second-placed Leipzig reduced the gap at the top to seven points in a dramatic finale against Leverkusen.
This story has been corrected to show that Yussuf Poulsen scored Leipzig's victor, not Emil Forsberg.
"In January we didn't know which way the journey will go but our team did it very well". So far this season he has played in 31 of the team's 39 competitive games, contributing five goals and setting up four more.
Mainz are only outside the relegation places on goal difference after their 1-0 defeat at Freiburg, whose striker Nils Petersen scored the second-half victor off the bench.
Then 'Gladbach captain Lars Stindl struck the victor in the 80th to lift the side to eighth, a point behind Cologne in sixth.