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Launch X431 IMMO Plus Program and Delete BMW CAS3/CAS3+ Smart Key/Fob AKL

Posted on December 24, 2024 by VCDS

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How to program or delete BMW CAS3/CAS3+ Smart Key/Fob AKL via Launch X431 IMMO Plus/IMMO Elite or X-Prog3 key programmer?

It requires you to connect the programmer and vehicle correctly, and make sure the network has been connected well.

Operation Guide:

Select [IMMO] function on the main menu

Select BMW>> BMW/MINI Immobilizer Software V10.01

Launch X431 IMMO Plus Program and Delete BMW CAS3/CAS3+ Smart Key/Fob AKL

BMW Vehicle Support List:

1 Series E872007.03-2013CAS 3/ CAS 3+
3 Series E90/ E912004-2006.09CAS 2
3 Series E92/ E932004-2013CAS 3/ CAS 3+
3 Series E90/ E912006.09-2013CAS 3/ CAS 3+
5 Series E60/ E612004-2005.09CAS 2
5 Series E60/ E612006.09-2010CAS 3/ CAS 3+
5 Series F07/ F102009-2017CAS 4/ CAS 4+
5 Series F112010-2018CAS 4/ CAS 4+
5 Series F182011-2018CAS 4/ CAS 4+
6 Series E63/ E642003-2005.09CAS 2
6 Series E63/ E642006.09-2010CAS 3/ CAS 3+
6 Series F06/ F12/ F132011-2018CAS 4/ CAS 4+
7 Series E65/ E66/ E67/ E682001-2005CAS 1
7 Series E65/E66/E67/E682005-2008CAS2
7 Series F01/F02/F03/F042007-2015CAS4/ CAS 4+
X1 E842009-2015CAS3/ CAS 3+
X3 F252009-2017CAS4/ CAS 4+
X4 F262013-2018CAS4/ CAS 4+
X5 E702006-2013CAS3/ CAS 3+
X6 E712007-2014CAS3/ CAS 3+
X6 E722008-2011CAS3/ CAS 3+
Z4 E892009-2016CAS3/ CAS 3+
MINI R55/R56/R572005-2015CAS3/ CAS 3+
MINI R58/R59/R60/R612010-2018CAS3/ CAS 3+

Connect X431 IMMO Plus/Elite and VCI connector via Bluetooth

Connect VCI and X431 X-prog3 to the vehicle via OBD cable at the same time

Launch X431 IMMO Plus Program and Delete BMW CAS3/CAS3+ Smart Key/Fob AKL

1.Generate BMW CAS3/CAS3+/CAS3++ Key All Keys Lost

Select Anti-Theft Key Matching>> Automatic Detection

Detect the current IMMO type is CAS3++

Launch X431 IMMO Plus Program and Delete BMW CAS3/CAS3+ Smart Key/Fob AKL

Click [Vehicle information], and confirm if it is correct

Launch X431 IMMO Plus Program and Delete BMW CAS3/CAS3+ Smart Key/Fob AKL Launch X431 IMMO Plus Program and Delete BMW CAS3/CAS3+ Smart Key/Fob AKL

Click Key Operation>> Key Learning to generate a dealer key

Confirm the current CAS type is an encrypted version and all keys are lost

Launch X431 IMMO Plus Program and Delete BMW CAS3/CAS3+ Smart Key/Fob AKL

Reading RAM data…

Make sure there is no key in the ignition switch and go continue to read key data

Read key data successfully, and save it with a new file name

Backup key info successfully

Launch X431 IMMO Plus Program and Delete BMW CAS3/CAS3+ Smart Key/Fob AKL Launch X431 IMMO Plus Program and Delete BMW CAS3/CAS3+ Smart Key/Fob AKL

Select an unknown key position (i.e. key 1) to generate by ignition switch

Launch X431 IMMO Plus Program and Delete BMW CAS3/CAS3+ Smart Key/Fob AKL

Select [Remote Key]

Put the key to be matched into the X431 X-Prog3 Programmer

Preprocess key successfully

Launch X431 IMMO Plus Program and Delete BMW CAS3/CAS3+ Smart Key/Fob AKL

Insert the key to be matched into the ignition switch to generate

Launch X431 IMMO Plus Program and Delete BMW CAS3/CAS3+ Smart Key/Fob AKL

Follow the prompt to generate the key until the vehicle can be started normally

The dealer key is generated successfully.

Launch X431 IMMO Plus Program and Delete BMW CAS3/CAS3+ Smart Key/Fob AKL

Return to the Function menu, and keep the vehicle start over 15 minutes and click [Synchronize DME] function no less than 10 times while starting the vehicle.

Path: Synchronize Operations>> Synchronize DME

Launch X431 IMMO Plus Program and Delete BMW CAS3/CAS3+ Smart Key/Fob AKL

2.Erase key with X431 IMMO Elite/IMMO Plus and X-Prog3

Back to Anti-Theft Key Matching main menu, select CAS3/CAS3+ IMMO>> MCU Operation>> 0M23S>> Display Connection Diagram

Launch X431 IMMO Plus Program and Delete BMW CAS3/CAS3+ Smart Key/Fob AKL

Connect to the ECU according to the wiring diagram

MCU V1 Adapter is required to connect with Launch X-prog3 key programmer

Then backup EEPROM data and backup FLASH data separately

Launch X431 IMMO Plus Program and Delete BMW CAS3/CAS3+ Smart Key/Fob AKL

Select one used key to erase (i.e.Key 1 just generated)

Launch X431 IMMO Plus Program and Delete BMW CAS3/CAS3+ Smart Key/Fob AKL

Erase the key successfully. The key 1 turns to unused status.

Launch X431 IMMO Plus Program and Delete BMW CAS3/CAS3+ Smart Key/Fob AKL

Done!

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