Bayern newcomers Niklas Süle and Corentin Tolisso led the reigning Bundesliga champs to an opening-day win over Leverkusen.
Bayern Munich's newcomers opened the Bundesliga in style as the defending champions beat Bayer Leverkusen 3-1 in heavy rain on Friday night.
Instead of optimism, Dortmund are shrouded by a cloud of unease ahead of their opener thanks to Thomas Tuchel's ouster and the Ousmane Dembele saga.
Dembele, a target for Barcelona, went on strike last week and was suspended by Dortmund after missing training without permission.
Borussia Dortmund boss Peter Bosz has "no idea" where Ousmane Dembele will be at the end of the transfer window.
Dortmund manager Peter Bosz vows to focus only on the players in his squad while Ousmane Dembele remains on strike.