Jamal Musiala put the German side ahead after just three minutes and Sadio Mané netted the last goal in the 89th minute.
Bayern Munich beat German minnows Rottach-Egern 27-0 in a pre-season friendly on Tuesday.
The last time the Bundesliga champions played Rottach-Egern was in 2019 when they also scored over twenty goals, winning 23-0.
On Tuesday, Jamal Musiala put the German side ahead after just three minutes and Sadio Mané netted the last goal in the 89th minute.
Musiala and Marcel Sabitzer scored five times each as Thomas Tuchel’s men ran riot.
Bayern goalscorers: Musiala 3′, 13′, 36′, 42′, 44′, Gnabry 4′, 12′, 43′, Davies 8′, Laimer 20′, Tel 22′, 25′, 28′, 34′, 41′, Mazraoui 27′, Upamecano 30′, Sané 35′, Sabitzer 49′, 64′, 66′, 70′, 72′, Guerreiro 74′, Gravenberch 85′, Coman 86′, Mané 89′
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