Freiburg picked up a crucial win in their battle against relegation with a 2-0 victory over Augsburg.
Augsburg's hopes of playing in Europe next season suffered a setback as they were beaten 2-0 at home by Mainz.
Augsburg got their push for a place in Europe back on track by becoming the first side to beat Wolfsburg in 2015.
A last-gasp Salomon Kalou strike earned Hertha Berlin all three points in a 1-0 win over Augsburg.
Augsburg goalkeeper Marwin Hitz scored a dramatic late equaliser to earn his side a 2-2 draw at home to Bayer Leverkusen.
Bayern Munich put eight past Hamburg, while Wolfsburg beat Bayer Leverkusen in a nine-goal thriller.
Werder Bremen made it five wins in a row, inflicting the first defeat of 2015 on Augsburg with a 3-2 win.
Augsburg will be without captain Paul Verhaegh for several weeks after he injured his calf during their 2-2 draw with Frankfurt.
Augsburg wasted the chance to move up to third in the Bundesligas they threw away a two-goal lead to draw with Frankfurt.
Borussia Dortmund remain rooted to the foot of the Bundesliga after losing 1-0 at home to Augsburg.
Borussia Dortmund crashed to a 1-0 defeat by 10-man Augsburg to remain bottom of the Bundesliga with 15 games remaining.
Franco Di Santo marked his return from injury with both goals as Werder Bremen beat Hertha Berlin 2-0.
Augsburg brought the first weekend of action in the Bundesliga in 2015 to a close with a 3-1 win over Hoffenheim.
Borussia Dortmund slipped back to the bottom of the Bundesliga despite picking up a point in their goalless draw at Bayer Leverkusen.
Augsburg came from behind for a 2-1 win over Borussia Monchengladbach at the SGL arena.
Bayern Munich continued their unbeaten start to the Bundesliga season with a 2-0 win over Freiburg on Tuesday night.
Hannover got back to winning ways at home with a 2-0 win over Augsburg, who have now lost two in a row.
Bayern Munich went 10 points clear in the Bundesliga with a 4-0 win over Augsburg, while Dortmund lost to Hertha Berlin.
Bayern Munich underlined their superiority in the Bundesliga with a 4-0 win at third-placed Augsburg on Saturday.
From Townsend's stunner to Hodgson's lessons, five key issues from England's draw with Italy.