The deal could be worth AED251 million.
Sane, 24, says Bayern Munich is a "great club " after he signed a five-year contract at the Bundesliga side.
The Germany winger is leaving Manchester City who he joined from Schalke in 2016 for AED169 million.
The football star has won two Premier League titles, the FA Cup and two League Cups.
He says his priority is to win as many trophies as possible with Bayern, and he's targeting the Champions League.
Raphinha hat-trick maintains Barcelona’s perfect LaLiga start
Barcelona have maintained their perfect start to the LaLiga season with a 3-1 victory at Sevilla on Saturday as captain Raphinha scored a hat-trick to continue his prolific opening to the campaign.
Real Madrid crowned European Basketball SuperCup champions in Abu Dhabi
Real Madrid have been crowned champions of the inaugural European Basketball SuperCup, held over two days at Etihad Arena on Yas Island, Abu Dhabi.
Arsenal beaten 3-0 by Brighton to end perfect start
Brighton and Hove Albion ended Arsenal's perfect start to the season in stunning fashion on Saturday, routing the Premier League champions 3-0 on the south coast.
England complete Sri Lanka whitewash to top T20 rankings
Jos Buttler hit an unbeaten half-century as dominant England beat a sorry Sri Lanka by eight wickets to complete a 3-0 series whitewash and replace India on top of the T20 world rankings after the final match of the series in Manchester on Saturday.
UAE begins campaign at Asian Games in Japan
The UAE has begun its campaign at the 20th Asian Games in Japan, with 165 athletes representing the country across 21 sports.
