Career
Football Club Union Berlin in the 2. Bundesliga. Bayern Munich
Foreign Bayern Munich II, in the 2005-2006 season, he scored a goal in 20 appearances, and in the following season, he scored two goals in 26 appearances. He was promoted to Bayern Munich"s main squad after playing 20 games in the 2005-2006 season for Bayern"s second team in the Regionalliga Südaughter
Fürstner has also played five matches for Germany"s U-19 squad and two games for U-21 squad.
He saw his first action with Bayern Munich"s first-team in their 2006 friendly against New York Red Bulls at Giants Stadium. His only competitive match for the first team was on 5 May 2007 against Borussia Mönchengladbach when he came on in the 87th minute of a 1–1 draw.
In his final two seasons at Bayern, he played a 50 matches scoring a goal in each season. Greuther Fürth
Fürstner signed for Greuther Fürth on 5 June 2009.
Union Berlin
Fürstner signed a contract with Union Berlin for two years plus an option year starting in the 2015-2016 season.