Daimler AG and BMW Group agree to combine mobility services. More information can be found here.
Yes, you can. Once you have registered with moovel and have provided a payment method in your moovel account, you can start your ticket purchase and your journey.
Unfortunately, not yet.
Yes. You need a valid photo ID for an HVV ticket.
As always you can find it under the tab "My Connections".
HVV tickets are valid for the whole day for the route booked.