If you want to login by Facebook, Twitter or Google BUT you already have an existing account that you've manually created, you can head over to this link (http://www.bmw-sg.com/forums/account/external-accounts) and associate your account with your Facebook/Twitter or Google account.
In future, to login, all you need to do is to click one of the login options to sign in seamlessly.
In future, to login, all you need to do is to click one of the login options to sign in seamlessly.
