%%title%% %%sep%% %%primary_category%% %%sep%% %%sitename%% %%sep%% Bayern Munich lost 2-0 to Borussia Dortmund on Saturday, their first home "Der Klassiker" loss in a decade, allowing Bayer Leverkusen, who came back to win 2-1 over Hoffenheim, to go 13 points clear with seven games remaining.