The 22-year-old attacker has suffered a torn muscle bundle in the back of his left thigh.
Bayern have officially confirmed the German star will be out for about eight weeks.
Jamal Musiala suffered a torn muscle bundle in the back of his left thigh against Augsburg and is expected to be out for approximately eight weeks. This means Musiala will likely miss both Champions League quarterfinal clashes with Inter Milan.
Musiala hopes to be back in action at the end of the season. He could then play in a possible Champions League final and the Nations League Final Four.