I believe I received it through BMW Finance:
https://myaccount.bmwfs.com/contactus
"Your account information is accessible 24/7 at (800) 578-5000. For international calls, dial (614) 718-6350. BMW Customer Service is available Monday to Thursday 9 a.m. to 9 p.m. ET or Friday 9 a.m. to 6 p.m. ET."