Bayern Munich coach Thomas Tuchel said forward Serge Gnabry "will play and will score" in Tuesday's Champions League semi-final first leg at home to Real Madrid, but Leroy Sane's status for the match is in doubt.

Julian Nagelsmann has signed a contract extension with the German men's national team, the domestic football association said Friday, putting to bed speculation of a quick return to club football.

Tuchel's team are on the brink of surrendering the German title for the first time in 12 years after a brutal domestic campaign.

Freund told reporters Tuchel would "100 percent" be in charge for the quarter-final first leg in London, despite admitting "losing twice in a week is incredible".

Bayern Munich squandered a two-goal lead to slump to a shock 3-2 loss at Heidenheim on Saturday that all but dashed the Bavarians' slim Bundesliga title hopes with six games left to play.

Bayer Leverkusen boss Xabi Alonso ended speculation of a potential move to one of his former clubs Liverpool or Bayern Munich in the close season when the Spaniard said on Friday that he was committed to staying with the Bundesliga leaders.

In February, Bayern announced Tuchel would leave the club at the end of the season, less than a year after replacing the sacked Julian Nagelsmann.

Outgoing Bayern Munich coach Thomas Tuchel joked "my bag is packed" after watching his side's 2-1 win over RB Leipzig while sitting on a silver-coloured suitcase on Saturday.

Bayern Munich coach Thomas Tuchel said he was not the only one responsible for his team's bad form and hoped the club's decision to part ways with him at the end of the season would liberate him and his players for the remainder of the campaign.

Bayern Munich have decided to end their collaboration with coach Thomas Tuchel at the end of the current season despite a contract to 2025, the club said on Wednesday.

The 3-2 defeat at lowly Bochum was Bayern's third reverse in a row, after a 3-0 thumping by Alonso's league leaders last weekend and a 1-0 midweek loss at Lazio in the Champions League.

Bundesliga leaders Bayer Leverkusen outplayed champions Bayern Munich for a 3-0 victory on Saturday that sent them five points clear at the top of the league and put them firmly in charge of the title race.

Bayern Munich still have room for improvement and must up their game on Saturday at unbeaten league leaders Bayer Leverkusen, who have been playing close to their performance limit, said Bayern coach Thomas Tuchel on Friday.

Xavi's announcement on Sunday that he will leave Barcelona at the end of the season has sparked a flurry of speculation about his possible successor.

In an interview with the Bundesliga website, Tuchel said it was "very striking to me that he's so, so humble".

UEFA has fined Bayern Munich and threatened to ban fans from upcoming away fixtures due to supporter behaviour in European competitions.

Bayern Munich coach Thomas Tuchel on Thursday hit out at the crowded fixture list, saying it was "not for the good of the game and not for the good of the players".

Bayern Munich coach Thomas Tuchel on Tuesday backed the rumoured appointment of the man he replaced in the dugout, Julian Nagelsmann, for the Germany job.

Bayern Munich coach Thomas Tuchel said on Thursday new striker Harry Kane was already on his way to becoming "an absolute success" story at the club.

Champions Bayern Munich are still a work in progress for coach Thomas Tuchel with their Bundesliga title defence starting on Friday against Werder Bremen.