2009 BMW CAS3+ all keys lost

[aassfour]

i can do CAS4 all key lost as well with Multi tool , but u need the help of a DME

[doolittle]

i can do CAS4 all key lost as well with Multi tool , but u need the help of a DME

100% success??

[aassfour]

100% success??

10000% Success
job done on table , ADD key by OBD

[Fallen]

i can do CAS4 all key lost as well with Multi tool , but u need the help of a DME

You have to read the CAS4, if it has 5M48H you must be very lucky to have 100% success!

[aassfour]

You have to read the CAS4, if it has 5M48H you must be very lucky to have 100% success!

i m using Dialprog, done 1 all key lost and 3 add key , not a lot of testing but so far so good

[ninja123]

In your own words, multitool says 'make a back up of cas with programmer', I read this as its not 100% safe and they know it!!

You're a brave man!

ninja

[54321]

Once you downgrade the cas to make the key is there anyway to then upgrade it back to version 45? I'm just thinking if you leave the car downgraded and it gets stolen a few weeks later you'll have some explaining to do.

[aassfour]

No u cant unless they go back to dealer

[indienick]

I'm with you Ninja, ISTAP-45 = walk away.

BMW online is the biggest load of ~~~~, even the support guys don't know how to use it.

OK, I am glad I am not the only one that does not know all about it. When they released it seems like they assume
everyone should just know how to do it or something. I just use the 10.4 software....still works fine....

They don't even have a manual for how to use the new software.

[Master01]

You have to read the CAS4, if it has 5M48H you must be very lucky to have 100% success!

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[obdsystems]

Of course no downgrade is 100% safe. Obviously doing on table better tho.

Haven't we got a list of flashes on avdi which we can use to ensure safe(r)

[obeids]

Hi

If you do CAS3+ on the bench then how do you get the start code right? Because CAS3+ with ISTA 45 or later requires the cycle of starts to get matching start code. How do you achieve this on the bench? I tried one the other day. It downgraded successfully and I could add key but it asked " You have 64 Attempts"..........

[aassfour]

Hi

If you do CAS3+ on the bench then how do you get the start code right? Because CAS3+ with ISTA 45 or later requires the cycle of starts to get matching start code. How do you achieve this on the bench? I tried one the other day. It downgraded successfully and I could add key but it asked " You have 64 Attempts"..........

i said i downgrade on table and i add by OBD on car

[obdsystems]

If you use Dialprog - you do not need luck...
Your job will be 100% good!

I've read the thread http://www.digital-kaos.co.uk/forums...light=Dialprog

Nothing 100% good
and ?2000 ish just to buy programmer which may fail
If your doing the older ones, might as well stick to xprog & rosfar etc


Not happy with downgrading regarding legal aspect - how many of you tell customer your putting old software back on car ???


I've got test CAS3+ unit here I've read eeprom with rosfar and loaded it in KeyTagTool ok
Surely this is best way, and safer

PS. i take it ISTAP-45 eeprom only encrypted if read via OBD

[aassfour]

I've read the thread http://www.digital-kaos.co.uk/forums...light=Dialprog

Nothing 100% good
and ?2000 ish just to buy programmer which may fail
If your doing the older ones, might as well stick to xprog & rosfar etc


Not happy with downgrading regarding legal aspect - how many of you tell customer your putting old software back on car ???


I've got test CAS3+ unit here I've read eeprom with rosfar and loaded it in KeyTagTool ok
Surely this is best way, and safer

PS. i take it ISTAP-45 eeprom only encrypted if read via OBD

Here when a car is all key lost the customers doesnt care if u make them only transponder, they just want their car running