They surpassed the previous record of 263-5, set by Royal Challengers Bangalore in 2013
The BCB announced the 15-member squad for the first T20 in a press release on Saturday. Shakib Al Hasan will return from injury to lead the team in the series.
Imrul Kayes, Mominul Haque, Mehidy Hasan Miraz, Nasir Hossain, Shafiul Islam and Taskin Ahmed have been swapped out of the squad that played in South Africa.
Bangladesh squad: Shakib Al Hasan (captain), Tamim Iqbal, Soumya Sarker, Mushfiqur Rahim, Mahmud Ullah, Shabbir Rahaman, Mustafizur Rahman, Rubel Hossain, Md Saif Uddin, Abu Haider Rony, Abu Jahed Rahi, Ariful Hoque, Mehedi Hasan, Zakir Hasan, Afif Hossain.