Bayern Munich lead the Bundesliga by 11 points after a 2-0 win over Hertha Berlin, who drop below Borussia Monchengladbach.
Bayern Munich pulled eight points clear at the top of the Bundesliga with a 3-1 win over Schalke on Saturday.
Wolfsburg slipped 13 points behind Bundesliga leaders Bayern Munich as they were beaten 2-0 at Mainz on Saturday.
Borussia Dortmund and Wolfsburg both made inroads into Bayern Munich's advantage at the top of the Bundesliga with wins on Saturday.
Bayern Munich set a Bundesliga record for the best start to a season with their ninth consecutive victory, a 1-0 win over Werder Bremen.
Bayern Munich opened up a 10-point lead at the top of the Bundesliga with a 4-0 victory over Cologne.