Dortmund have been in talks with the England under-16 international for a ‘long time’.
And Man City still have not given up on keeping hold of Bynoe-Gittens, one of their best talents.
Bynoe-Gittens, who is without a professional contract, is expected to decide his future this month.
Parallels have been drawn to Jadon Sancho, who left City in 2017 to join Dortmund and has blossomed in Germany.
Bynoe-Gittens may well follow in Sancho’s footsteps, but nothing has been decided just yet.