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.
Dubai Capitals overpower Abu Dhabi Knight Riders by 83 runs
Rovman Powell’s stunning unbeaten half-century has set up the Dubai Capitals’s first win of the DP World ILT20 Season 4 at the Dubai International Cricket Stadium on Sunday.
Norris takes F1 title as Verstappen wins Abu Dhabi race
McLaren's Lando Norris sobbed tears of joy and relief as he won the Formula One championship for the first time and ended Max Verstappen's four-year reign with a nervy third place at the Abu Dhabi Grand Prix on Sunday.
Neser fires Australia to eight-wicket win in second Ashes test
Australia stormed to an eight-wicket victory in the second Ashes test on Sunday to take a 2-0 series lead as England succumbed on day four to a pace blitz from unlikely hero Michael Neser.
Denmark's Neergaard-Petersen holds nerve to claim Australian Open title
Denmark's Rasmus Neergaard-Petersen pipped former British Open champion Cam Smith to the Australian Open title on Sunday with a par at the final hole to lift the winners trophy with a 15-under par total at Royal Melbourne.
Nissanka’s half-century guides Gulf Giants to four-wicket win over Dubai Capitals
Another fiery half-century from Pathum Nissanka scripted the Gulf Giants four-wicket victory over the Dubai Capitals at the DP World ILT20 Season 4 on Saturday.
Over 10 million meals have been packed in record time to be sent to families in Gaza during a community drive held by The Mohammed bin Rashid Al Maktoum Global Initiatives (MBRGI) at Dubai's Exhibition Centre on Sunday.
Dubai Police have played a leading role in dismantling a major international crime gang by arresting its leader Marko Dordevic, the operation held in collaboration with Europol, the Serbian Ministry of Interior and the Spanish National Police.
The UAE has dispatched its seventh humanitarian aid aircraft to support communities affected by floods and landslides in Ditwah, Sri Lanka.
