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.
Romelu Lukaku makes Belgium's World Cup roster
Romelu Lukaku was named to Belgium's 26-man World Cup roster on Friday despite the team's all-time leading scorer being limited to only five appearances for Napoli this season due to injuries.
France reveals World Cup roster; Camavinga, Chevalier left off
France's World Cup roster includes a star-studded assortment of talent, with Real Madrid infielder Eduardo Camavinga arguably the most notable omission.
Punjab crack under pressure to leave IPL playoffs hopes in balance
Punjab Kings set the early pace in the Indian Premier League by going seven matches unbeaten, but a run of five straight defeats has left their playoffs hopes in the balance and assistant coach Brad Haddin concedes they have failed to deal with the pressure.
Mbappe booed on return as Real Madrid beat Oviedo 2-0
Kylian Mbappe was greeted with a chorus of boos and whistles from Real Madrid's own fans as he returned from a hamstring injury during his side's 2-0 LaLiga home win over Real Oviedo on Thursday.
Ireland's McCabe to leave Arsenal at end of season
Ireland captain Katie McCabe will leave Arsenal at the end of the season when her contract expires, bringing an end to a spell of more than a decade at the north London club.
