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BMW 3-Series (E90 E92) Forum
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E90 Restore SOS button function?
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01-12-2025, 08:44 PM | #1 |
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E90 Restore SOS button function?
Calling all comms / electrical techs
Knowing that the networks these cars used for using BMW Assist have been discontinued, is a retrofit or modification possible to bring back just the SOS function? When researching, most have asked for a complete retro fit to make ConnectedDrive, services, assist etc. work again. I only want the basic SOS emergency function to work. No need for other functions. Pressing the button attempts a call but the car cannot connect to a tower and starts flashing the antenna logo on screen. If nesessary, here is relevant build sheet info January 2007 build 335i with iDrive: S609 - Navigation system professional S620 - Voice control S639 - Preparation F Mobile Phone Cpl. USA/CDN S645 - BMW US Radio S677 - HiFi System Professional DSP S693 - Preparation BMW Satellite Radio S694 - Provision BMW 6 CD changer S6UH - Traffic info Thanks. |
01-13-2025, 06:27 AM | #2 |
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technically you can search very rare 4G LTE combox on used market, i've seen them on ebay
this combox was only installed aftermarket, if customer had prepaid connected drive services and bmw could not cancel them without legal consequences and then upgrade radio to 2010+ version and code it
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E81 2007 130i 6cylinder Montego blue
Retrofits: Harman Kardon, High-beam assistant, Removable tow hitch. Auto-dim folding exterior mirrors. Lumbar support. Perfomance Brakes. |
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01-15-2025, 04:25 AM | #4 | |
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Quote:
https://www.m3post.com/forums/showth...1414999&page=3
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E81 2007 130i 6cylinder Montego blue
Retrofits: Harman Kardon, High-beam assistant, Removable tow hitch. Auto-dim folding exterior mirrors. Lumbar support. Perfomance Brakes. |
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02-03-2025, 08:48 PM | #6 | |
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Drives: 2007 E93 MT6
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This seems like a waste of time. Instead, be thinking about what you could install in place of the old SOS button. Passenger seat ejection seat? Flux capacitor activation switch? Possibilities are nearly limitless....
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