The meeting, held in Dortmund, ended with a score of 3: 0 in favor of the home team.
Borussia's victory was brought by goals from Mahmoud Dahud, who scored in the 48th minute, Jadon Sancho, who converted a penalty in the 58th minute, and Reinier, who scored in the 81st minute.
Borussia with 39 points is fifth in the Bundesliga standings.
Arminia with 18 points - 16th.
Earlier it was reported that Lewandowski's double helped Bayern to defeat Cologne in the Bundesliga.