Holder Bayern Munich aims to hit top gear in its bid to reach the German Cup quarterfinals, while the authorities brace themselves for Borussia Dortmund's trip to Dresden on Tuesday.

Third-division Dynamo Dresden hosts Jurgen Klopp's Dortmund in the cup's third round against the backdrop of the riots which blighted its 2011 second-round clash.

Borussia beat Dynamo 2-0 on Oct 25, 2011, amidst ugly scenes as Dresden fans rioted and clashed violently with Dortmund police.