Hansi Flick recognised Bayern Munich's victory at Borussia Dortmund was a "big step" towards winning the Bundesliga title.
Joshua Kimmich's sublime first-half chip secured a 1-0 victory for the champions in the behind-closed-doors Klassiker at Signal Iduna Park on Tuesday.
The Bavarian giants are now seven points clear of second-placed Dortmund with six games to play and look destined for an eighth successive Bundesliga title.
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In fact, Bayern have won 13 titles since the turn of the century and now have a total of 29 Bundesliga trophies.