BERLIN, Dec 3 (Reuters) - Bundesliga leaders Bayern Munich benefitted from two own goals by hosts Union Berlin and survived intense second half pressure before earning a 3-2 victory on Wednesday to reachthe German Cup quarter-finals.

With all five goals coming from set pieces, the Bavarians exactedrevenge for their 2-2 draw at Union in the Bundesliga in November that ended their 16-game winning start to the season across all competitions.