The visitors from the capital started well, and disrupted Bayern's build-up work in the early stages.
Due to the COVID-19 pandemic, the 2019-20 WCBA league concluded earlier than expected, after the 18th round on January 2, meaning the 2020-21 season's curtain raiser on October 1 was the league's first game in nine months.
Earlier on Friday, Jiangsu defeated Shanghai 3-0 (25-17, 25-20, 26-24) in the third-place match.
Jose Bordalas' men now travel to play Real Sociedad - one of the most attractive sides in La Liga, but who have struggled for form at home since the return of football in June.
Another 10-0 surge into the second quarter extended Beijing's advantage to over 25 points. Daqing's loose defense provided Beijing many easy baskets in the paint, and the latter also found their range, going into the break with a 57-28 lead.
Arsenal had led 2-0 through goals from Bukayo Saka and Nicolas Pepe, but McGoldrick's goal left them clinging on for the final whistle.
"But I take it as a very positive thing. I am playing quite well to win against a player like Stefano today with this score.
Alvaro Ordiozola will continue at right back after Dani Carvajal suffered a knee injury on Friday that will sideline him for a couple of months, while Ferland Mendy will likely return on the left after being rested in the narrow midweek win at home to Valladolid.
"We played a bit tight at the start as it was our first game, but we never gave up, and finally won the game," Li said.
"I feel quite happy that we finally have games to play," said Inner Mongolia's center Li Yueru, who finished with 28 points and 14 rebounds in a 44-point rout of Hebei.
Simona Halep of Romania hits a return during the women's singles 4th round match between Simona Halep of Romania and Iga Swiatek of Poland in the French Open tennis tournament 2020 at Roland Garros in Paris, France, Oct. 4, 2020. (Photo by Aurelien Morissard/Xinhua)