First Time Users to Online Appointments BEFORE YOU SIGN UP:Please add southbaybmwservice@host.udcnet.com to your approved senders list, and add us to your address book to ensure you will receive your email with the confirmation link. Return UsersIf you have not received your email confirmation or need to reset your password, please contact us at 877-805-3124, or email the department directly at serviceappointments@southbaybmw.com.