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Bdc Flash failed at 99% SWFL_0000241a
11-02-2024, 21:39 PM,
Post: #11
RE: Bdc Flash failed at 99% SWFL_0000241a
(09-02-2024, 19:37 PM)Bimbo666 Wrote:  Does bdc still see ESYS?

Yes can start the reflash in ESYS, but cannot downgrade btld. It will not accept lower ISTEP. If it flashes it will show both but after power cycle it loads latest.


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11-02-2024, 21:50 PM, (This post was last modified: 11-02-2024, 21:57 PM by Bimbo666.)
Post: #12
RE: Bdc Flash failed at 99% SWFL_0000241a
(11-02-2024, 21:39 PM)sambir Wrote:  
(09-02-2024, 19:37 PM)Bimbo666 Wrote:  Does bdc still see ESYS?

Yes can start the reflash in ESYS, but cannot downgrade btld. It will not accept lower ISTEP. If it flashes it will show both but after power cycle it loads latest.

BDC_GW must be updated first, then BDC can be updated!
Try updating the BDC_GW first, then the BDC.
Try it with an ENET cable!

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11-02-2024, 22:18 PM,
Post: #13
RE: Bdc Flash failed at 99% SWFL_0000241a
(08-02-2024, 23:05 PM)sambir Wrote:  
(06-02-2024, 23:13 PM)azwgh Wrote:  @sambir, did you solve it with ISTA?

No, i havent unfortunately.


Did you try or didn't?

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12-02-2024, 17:51 PM,
Post: #14
RE: Bdc Flash failed at 99% SWFL_0000241a
I have a simlair problem with BDC on 2018 Mini F56. Can't proggram with esys always error and car won't start. Then I use a CGDI unit (a tool for key proggramming and more) I connect it on bech with special adapter and with this tool I succesfully downgrade the BDC. After that car start and everythig start working again.

Trying to fix BMW with ICOM, ISTA, ESYS and CDGI. 
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12-02-2024, 18:48 PM, (This post was last modified: 12-02-2024, 18:51 PM by sambir.)
Post: #15
RE: Bdc Flash failed at 99% SWFL_0000241a
(11-02-2024, 21:50 PM)Bimbo666 Wrote:  
(11-02-2024, 21:39 PM)sambir Wrote:  
(09-02-2024, 19:37 PM)Bimbo666 Wrote:  Does bdc still see ESYS?

Yes can start the reflash in ESYS, but cannot downgrade btld. It will not accept lower ISTEP. If it flashes it will show both but after power cycle it loads latest.

BDC_GW must be updated first, then BDC can be updated!
Try updating the BDC_GW first, then the BDC.
Try it with an ENET cable!

I know, gw i cam downgrade. I flashed both. Gw flashes fine, then it starts on body and after btld it fails because btld is lower

(12-02-2024, 17:51 PM)Simoniak Wrote:  I have a simlair problem with BDC on 2018 Mini F56. Can't proggram with esys always error and car won't start. Then I use a CGDI unit (a tool for key proggramming and more) I connect it on bech with special adapter and with this tool I succesfully downgrade the BDC. After that car start and everythig start working again.

Yes a friend has autohex and told me he might be able tp flash it. So i sent it to him.


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13-02-2024, 15:50 PM,
Post: #16
RE: Bdc Flash failed at 99% SWFL_0000241a
Unable to flash with autohex. Friend says the BDC is fried...Maybe with BIMTOOL or CGDI BMW it is possible.


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13-02-2024, 18:40 PM,
Post: #17
RE: Bdc Flash failed at 99% SWFL_0000241a
Can I connect to bdc write me pm

Successfully retrofit on BMW F30 335xi 248,302,3AG,430,5AG,5AS,6NS,8TH,IHKA3
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14-02-2024, 14:00 PM, (This post was last modified: 14-02-2024, 22:58 PM by sambir.)
Post: #18
RE: Bdc Flash failed at 99% SWFL_0000241a
(13-02-2024, 18:40 PM)Siki78 Wrote:  Can I connect to bdc write me pm

Connect and do what? Try to flash with esys again? i will pm when i get the bdc back but i dont think esys or ista will help. I willl also try to flash it with CGDI BMW tool to see if i can flash older btld and downgrade it, then try to upgrade again. My hopes are low for this BDC it seems to be stuck in flash mode and braindead biggrin

Today i also installed a donor BDC but after locking and unlocking the car the ELV authentication failed and car wont start anymore. I am still waiting on a replacement BDC from BMW, that should be accepted by the ELV. Stupid older F56 models have ELV.


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