See also:

Brake Energy Regeneration: an energy-saving innovation.
The new BMW 5-Series sedan continues the roll-out of BMW's Brake Energy Regeneration system on US models. To save energy and reduce the vehicle's fuel consumption over time, this system manages th ...

BMW Assist or ConnectedDrive
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Initializing after a power failure
After a power failure during the opening or closing process, the roof can only be operated to a limited extent. Initializing the system The system can be initialized when the vehicle is statio ...