Robert Lewandowski scored the first goal of the match after an error from Lazio defence inside the first 10 minutes. This was his 72nd goal in the competition making him the third highest scorer in Champions League, after Cristiano Ronaldo and Lionel Messi.
17-year-old midfielder Jamal Musiala scored the second goal of the match to become the youngest English scorer and the second-youngest scorer from any nationality in the competition.
Former Manchester City player, Leroy Sane made it 3-0 just before the end of the first half with a close-range effort after a mistake from Lazio keeper Pepe Reina.
Lazio defender Francesco Acerbi put the ball into his own net in the second half to make it 4-0 for Bayern Munich. Just two minutes after that, Joaquin Correa scored a consolation goal for Lazio to make it 4-1 in Rome.