BMW wants to continue to participate in the mobility services market "whether we bring in new partners or whether we sell it," Zipse told a videoconference of reporters.
"This is a very dynamic environment," he said. "You will see where we make one or the other move."
The future of Free Now, the BMW-Daimler venture that includes car sharing, ride hailing and other services, has been uncertain. Last month, Germany's Manager Magazin reported Uber Technologies Ltd had offered 1 billion euros for the venture.
(Reporting By Joe White; Editing by Chizu Nomiyama)
By Joseph White