The Dutchman was due to leave at the end of the 2010-11 campaign after an agreement was reached with Bayern in early March to have his contract cut short.
However, with Bayern out of the Champions League at the round of 16 and also struggling to qualify for Europe’s premier club competition next season, club officials have decided now is the time to part company.
“FC Bayern Munich has relieved Louis van Gaal (59) of his duties with immediate effect,” reads a statement on the club’s official website. “The head coach was informed of this decision on the evening of Saturday April 9 2011, following the Bayern party’s return to Munich from Nuernberg.
“The decision to part company with Van Gaal was taken jointly by the board of directors, the director of sport and the FC Bayern Munich club president, acting in the interests of the club as a whole.
"Saturday’s 1-1 draw away to FC Nuernberg means Bayern have slipped back to fourth place in the Bundesliga standings, increasing the danger of the club failing to hit its minimum target for the season, the chance of qualifying for the UEFA Champions League.
"As well as Louis van Gaal, his assistants Frans Hoek, Jos van Dijk and Max Reckers have also been relieved of their duties.”
The announcement comes after the Bavarians were held to a 1-1 draw with Nuernberg in the Bundesliga. The two points dropped mean that the defending German champions are now a point behind Hannover in fourth place with five matches remaining, and only the top three teams qualify for next season's Champions League.
Andries Jonker, a former Willem II coach, will be in charge of the team between now and the summer, when Jupp Heynckes, currently with Bayer Leverkusen, will take over.