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  #1  
Old 09-03-2018, 02:31 PM
khammack khammack is offline
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Location: Denver, Colorado
 
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Mein Auto: 2002 M Roadster/2014 435i
Emergency Call Battery?

I'm getting a error on the dash saying "Emergency Call Failure" so I pulled the codes and get ...
B7F341 - emergency battery hardware faulty
B7F343 - Emergency battery change interval reached

The only problem is I can't find anything which tells me where the "Emergency battery" is located (in the manual or online).

Does anyone know?

The car is a 2014 435i (options listed below).

Thanks!
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2014 435i M-Sport, Mineral Gray, Black Dakota Leather, Driver Assistance Pkg, Prem Pkg, Tech Pkg, 8 Speed Sport AT, Heated Front Seats, Active Cruise Control, BMW MPPK w/MPE, BMW Limited Slip Diff, BBS CH Wheels.

2002 M Roadster, Steel Gray Metailic, Gray Nappa Leather, Black Soft Top, Steel Gray Metailic Hard Top, TC Kline Double Adj Shocks with H&R Springs, Stromung Exhaust, SSR Type C Wheels.
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  #2  
Old 09-03-2018, 02:37 PM
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https://www.newtis.info/tisv2/a/en/f...one/1VnYUrc0jT
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Old 09-03-2018, 03:41 PM
khammack khammack is offline
Warning - Thin Air
Location: Denver, Colorado
 
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Posts: 1,633
Mein Auto: 2002 M Roadster/2014 435i
Thank you!
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2014 435i M-Sport, Mineral Gray, Black Dakota Leather, Driver Assistance Pkg, Prem Pkg, Tech Pkg, 8 Speed Sport AT, Heated Front Seats, Active Cruise Control, BMW MPPK w/MPE, BMW Limited Slip Diff, BBS CH Wheels.

2002 M Roadster, Steel Gray Metailic, Gray Nappa Leather, Black Soft Top, Steel Gray Metailic Hard Top, TC Kline Double Adj Shocks with H&R Springs, Stromung Exhaust, SSR Type C Wheels.
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Old 07-20-2019, 10:23 PM
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Location: Orange County, CA
 
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Mein Auto: Glacier Silver X4 M40i
Old post, but It thought I would add this: My wife's X4 displayed a warning message on iDrive a couple of times - something about SOS function. And the SOS button would in the overhead console would flash. This happened twice to my wife.

I pulled the codes and saw B7F341 - Advanced Telematic Module (ATM). Backup Battery Defective.
I followed Doug's link above, but for my car (F26). I LOVE Newtis, but it is not perfect; it showed a link to first remove the headliner to expose the ATM before you could replace the battery. I wasn't about to remove my headliner. Luckily I remembered that the ATM is in the trunk of my car.. Once I had the new battery in hand, it took about one minute to replace it.
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