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Need to exchange my Combox Telematic
08-12-2022, 19:03 PM,
Post: #1
Need to exchange my Combox Telematic
Hi guys,

in my F13 from 11/2011, I need to exchange the Combox Telematic (84109257151)
I have a valid BMW Assist Contract. Found a used one with the same Part number.

Is there a fair chance to get in running with ESys by only write the new VIN into it?
What with the embedded Sim-Card? Will it run?

Or do I have to buy a brand new one?

Thanks a lot!
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09-12-2022, 06:17 AM,
Post: #2
RE: Need to exchange my Combox Telematic
I think that You can do simswap and then code/flash atm with your FA/VO
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[+] 1 user says Thank You to Rudkinp for this post
09-12-2022, 06:43 AM,
Post: #3
RE: Need to exchange my Combox Telematic
Hi,

unfortunately not, as the Sim is embedded into the ECU / no physical sim.
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09-12-2022, 08:15 AM,
Post: #4
RE: Need to exchange my Combox Telematic
Thats exactly what Rudkinp meant - you will have to RE-SOLDER sim chip.
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[+] 1 user says Thank You to Node for this post
09-12-2022, 09:13 AM,
Post: #5
RE: Need to exchange my Combox Telematic
Did you do that already? I saw some pictures on the internet, but never saw the chip on it.

Thank you!
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09-12-2022, 09:26 AM,
Post: #6
RE: Need to exchange my Combox Telematic
I never had a chance to do that. No one wants to pay the money for Assist thing here biggrin
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09-12-2022, 11:48 AM, (This post was last modified: 09-12-2022, 11:49 AM by Rudkinp.)
Post: #7
RE: Need to exchange my Combox Telematic
I did it once or twice while swapping esim between TCB and ATM. It's quite easy job if You have hot-air station.
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[+] 1 user says Thank You to Rudkinp for this post
09-12-2022, 13:34 PM, (This post was last modified: 09-12-2022, 13:38 PM by pRoxxxDD.)
Post: #8
RE: Need to exchange my Combox Telematic
I don't think that you should resolder the chip, the esim chip, also there are near pins for a sim card holder, is on its own PCB, which you can safely change with another one. It connected to the mainboard with a connecter
That golden PCB
[Image: Combox-the-Communication-Gateway-of-BMW.png]
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