The Bavarians reached the semi-final of Europe's biggest club competition last season but will find it difficult to repeat that feat this year
We are living in the golden age of transfer announcements.
Besiktas led the way with their 'Come to Besiktas' campaign before Alexis Sanchez announced his arrival at Manchester United by playing the piano.
Roma's English account went meta on the whole social media-led approach, with hilariously bad Photoshopped photos of new recruits arriving at the club.
German clubs, meanwhile, are known for their Twitter banter, provoking each other, and sometimes even players, with Bayer Leverkusen's Bernd Leno joke annoying Arsenal goalkeeper Petr Cech this summer.