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      06-06-2015, 06:29 AM   #1
anom3
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Has anyone successfully used WinKFP to update their E9X M3's CAS?

I have read a few posts on here and e90post that state that WinKFP is a-ok to use to upgrade pretty much every module on the E9X M3 EXCEPT the CAS and DME.

Dont have the link on hand, but someone stated that due to the EWS signature, DO NOT use WinKFP to upgrade the CAS.

I'm in the same boat now: Have upgraded every module except for my DME and CAS using WinKFP. Everything went ok with a few minor hickups (DSC needing to be reset, things of that sort...)...

So now I have the CAS and DME left.

DME I do NOT need to upgrade as I have a tune from bpm running the latest 240E, so thats done.

But my CAS is the old old 2007 version, would love to get the newer firmware on there as it includes some security related updates.

So:

Specifically on the E9X M3 family, has anyone had any luck upgrading their CAS using WinKFP or something OTHER THEN ISTA/D?

PS : Have a proper ICOM cable, and all sorts of daten files. Like I said, every module besides my CAS and DME have now been upgraded to the latest and greatest firmware versions. Also, I cant really use the ISTA/D route as I have a retrofitted CIC. Even in expert mode, when I try to do JUST one module, it ends up calculating a whole slew of updates and some of the "steps" include removing of the CIC etc etc...
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      06-07-2015, 01:32 AM   #2
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Same way you flash everything else but make sure the ignition is completely off.

If I recall correctly it will flash three different areas, so don't worry about it going to 100% 3 times.

Proper voltage during this flash is crucial - if it fails the car will be rendered inoperable. You can recover the CAS by soldering tons of wires to the board and bench flashing the processor, but believe me you'll want to avoid this in the first place.
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      06-11-2015, 08:28 AM   #3
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Hi Mike, before I begin, thanks for the reply. I know you are quite knowledgeable with this stuff... So its nice to hear your input:

I am specifically refering to : http://www.e90post.com/forums/showpo...66&postcount=5

I'll save you the click:

"There are two types of control units that cannot be programmed with WinKFP: CAS and ECU (I can say for sure for the M3). Both are protected by electronic signatures that cannot be provided by WinKFP, only with ISTA.

Alas, WinKFP first clears the programming without a hitch, but gives an error when it tries to program the new file into the unit. Essentially, it is dead afterwards and can only be revived with better equipment.
"

2 Qs:

Does any of the above make sense?

I hope I am not asking too much, but have you ever WinKFP'd a CAS on the E9X M3 series? Don't mean this in the aggressive sense, just want to get confirmation from someone who has updated their / a CAS via WinKFP before.


Would really love to get the CAS up to the latest revision as I am a bit freaked out with the ease of theft of these vehicles with the older CAS firmware. I know its probably not fool proof, but at least a step in the right direction to make adding a key a bit more difficult.

BTW : I have a proper ICOM cable. And I also have a MAAS SPS-50 power supply I used when upgrading all the other modules. Its a 55AMP power supply @ 13.8V.

Quote:
Originally Posted by Mike Benvo View Post
Same way you flash everything else but make sure the ignition is completely off.

If I recall correctly it will flash three different areas, so don't worry about it going to 100% 3 times.

Proper voltage during this flash is crucial - if it fails the car will be rendered inoperable. You can recover the CAS by soldering tons of wires to the board and bench flashing the processor, but believe me you'll want to avoid this in the first place.

Last edited by anom3; 06-11-2015 at 08:45 AM..
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      06-11-2015, 03:40 PM   #4
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Completely incorrect information. The post after that one is also incorrect as it has nothing to do with EWS.

Yes I've updated CAS and DME with WinKFP with no issues.
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      06-11-2015, 04:21 PM   #5
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Thanks, appreciate the info.

Quote:
Originally Posted by Mike Benvo View Post
Completely incorrect information. The post after that one is also incorrect as it has nothing to do with EWS.

Yes I've updated CAS and DME with WinKFP with no issues.
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      04-10-2016, 02:54 PM   #6
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Quote:
Originally Posted by Mike Benvo View Post
Completely incorrect information. The post after that one is also incorrect as it has nothing to do with EWS.

Yes I've updated CAS and DME with WinKFP with no issues.
Hey Mike, is updating the DME to 240E relatively the same process as flashing the GTS DCT software using WinKFP? if so do you have the ZUSB number for the 240E Japanese software?

Thanks
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      04-23-2016, 12:00 PM   #7
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Quote:
Originally Posted by gc86 View Post
Hey Mike, is updating the DME to 240E relatively the same process as flashing the GTS DCT software using WinKFP? if so do you have the ZUSB number for the 240E Japanese software?

Thanks
I believe that the latest 240E ZB number for Japan is ZB 7854375.

It's present in SP daten versions 57.0-58.2 (latest as of April 2016.) I'm not certain about SP daten releases prior to 57.0.
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