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.
Sabalenka withdraws from Stuttgart Open due to injury
Aryna Sabalenka has pulled out of this month's Stuttgart Open due to an injury she sustained following her Miami Open triumph in March, the world number one said on Thursday.
Atletico beat 10-man Barca as PSG defeat Liverpool
Atletico Madrid took a firm grip on their Champions League quarter-final as goals from Julian Alvarez and Alexander Sorloth earned a 2-0 first-leg victory over 10-man Barcelona at the Camp Nou.
UAE Team Emirates-XRG claim second place on stage 3 of Itzulia Basque Country
Igor Arrieta has ridden to second place on stage 3 for UAE Team Emirates-XRG during a thrilling finale at Itzulia Basque Country,
Home hero Vacherot thrilled to beat Musetti in Monte Carlo
Monaco's Valentin Vacherot could barely have scripted his second career win over a top-five player better after he defeated world number five Lorenzo Musetti 7-6(6) 7-5 in front of a joyous home crowd at the Monte-Carlo Masters on Wednesday.
Gujarat survive IPL final-over chaos as Miller's gamble backfires
Gujarat Titans survived a ferocious late assault from David Miller to clinch a nerve-shredding one-run win over Delhi Capitals in an Indian Premier League (IPL) thriller on Wednesday.
10:00pm - Midnight
Midnight - 1:00am
