1st Step : Go to your profile.
Click on the following link : https://backoffice.bsport.io/login and log in with your login details.
Click on the studio's name.
2nd Step : Delete the payment method.
Once connected on your Bsport's account, click on "Profile" on the left of your screen.
You will then find all the details about your payment's methods on the right of the screen.
Click on the trash icon in order to delete a payment method.
⚠️ WARNING : the system won't let you delete the payment method if there is only one saved in the member's profile.
It is also impossible to delete the payment method used for a subscription. ⚠️