If you change your bank, or your bank account, in order to continue receiving your payments and paying your subscription bsport, you will have two actions to do to modify your banking information.
1st action: Change your IBAN (to receive payouts)
In order to change your IBAN, you must go to Settings >> Company >> Change your banking information.
2nd action: Change your credit card (to pay your bsport subscription)
In order to change your card, it will be necessary to go to Settings >> Subscription >> Payment method >> Add a new card