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Hi Aaron Do you use www.realoem.com ? I would first use a BMW Vin decoder plenty online so you can call up your cars build sheet Then use realoem use the last 7 digits of your vin into the search box it will bring up your model then search the communications section Just remembered your Vin is above so took a look, it seems your model was available with a range of types 1. COMBOX Media Part No 84109257150 S644A Yes S6FLA Yes S6VCA Yes 2.COMBOX for Telematics Part No 84109257151 S606A Yes S609A Yes S633A Yes S6VCA Yes COMBOX Telematics for GPS Part No 84109257152 S633A Yes S6VCA Tes There are also versions of ULF and Telematic units so in my quick look it seems the removable battery is in the Telematics control unit. I am Using the Decoder it appears you have S609 Nav with S633 Telephone so the Part No on the Comboz should be as 2 above not sure about the Optical link I will dig a little Dave

I believe the Telematic/Combox is coded to your chassis so fingers crossed there is no fault or issue with the unit it's self. Looks like you have access to the right software. The battery could well be at fault after 10 years so worth getting it checked/changed if you can't DIY. Looking at your original scan it has a code for E call triggered plus Ecall assist not available ? May be unplugging the unit changing the battery then reconnecting may reset it ? If not more digging Good luck Dave

Hi Aaron Then its a Connected drive issue Connected Drive has it's own Sim Card. Did you renew your Connected Drive subscription ? If so BMW should sort it for you, if not then you may have to dig into the Idrive menu's to turn it off Dave

Hi Aaron Welcome to the Forum Is it in BMW Connected drive ? Or is your regular Bluetooth ? My guess is something in Connected Drive check your handbook and the Connected Drive settings on Idrive Dave

Welcome to the BMW Owners Club konrad1511 :)