Bmw Cas3 Key Programming Download

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Before programming a BMW Key, you need to have a basic understanding of your BMW immobilizer system. BMW immo system can be generally divided into two categories: EWS and CAS.

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ABRITES Diagnostics for BMW User Manual After successful detection of your interface, the software will check whether there is connected HITAG programmer and then will try to automatically detect body type of your vehicle. If the interface is not connected to a vehicle it will appear the following screen. CGDI BMW MSV80 Key Programmer supports key programming for BMW CAS1/CAS2/CAS3, support key matching and all key lost for CAS4 /CAS 4+, and work on FEM/BDC for free. Newly update to read ISN for B48 B58 read ISN MSD80 / 81 /85 /87 MSV90 read ISN and N13 / N20 / N55 /B38 no need opening. Yanhua Mini ACDP Key Programming Master with full modules is powerful and universal Key programmer for for BMW, VAG, Porsche, Volvo, Jaguar and Land Rover. Here, you can find All about Yanhua Mini ACDP Key Programmer including user review,buying guide,how to use,Mini ACDP App installation,Software Download and Yanhua ACDP Test Video. Which BMW key programmer is best for cas3+ with all key lost? You will need cas and ecu dump to make key. Good tool for cas3+ are: BMW Multi Tool/tm100/tango/ ckm100/vvdi2. FYI, one real senior locksmith experience with BMW Multi Tool: Note: The following parts only share the experience with BMW Multi Tool.

EWS immo:EWS1、EWS2、EWS3、EWS4


CAS immo:CAS1、CAS2、CAS3、CAS3+、CAS4

How to tell your BMW is EWS or CAS immo?

  1. Car key year

1) 2000-2003/04 BMW 3-series, 5-series,
7-series with straight shank remote control key belongs to EWS system, like
picture below.

Here is the EWS immobilizer ECU

2) 2004-2006 BMW 3-series, 5-series, Z4, X5, X3 belongs to CAS2 system. CAS2 and CAS3 immo ECU picture display as below. Another Straight shank remote control key (similar to Land rover key) with BMW logo, but in black color, belongs to CAS2 immo system as well.

3) CAS1: old BMW 7-series CAS2: 2004-2006 BMW 3-series, 5-series, Z4, X5, X3 CAS3: BMW 3-series, 5-series before year 2010 CAS3+ BMW 3-series after year 2010 CAS4: BMW 5-series after 2010, BMW 1-series after 2011

  1. Car key type

CAS1 BMW 7-series should insert the smart card into the slot and press start key. CAS2 is the straight shank remote control key If BMW key needs insert smart card into the slot and press one key to start vehicle, all these keys are easier before CAS+., almost of them are CAS3. CAS4 key no need to insert the smart card to slot, directly press Start button

For example, if your car id BMW X5 2009, it should be CAS3 system.

After confirm your immo type, the next is to pick up a proper key programmer. AK90 key programmer (for all EWS), AK300 key programmer,Car key master, BMW Multi Tool are all good options for BMW key programming. BMW Multi Tool is the most stable and recommended.

Xhorse BMW Multi Tool key programmer is mainly designed to work on CA1, CAS2, CAS3, CAS+ CAS4. But it newly added EWS key programming if provided with CAS PLUG EWS adapter.


Bmw Cas3 Key Programming Download Windows 7

CAS1 write key CAS2: requires demolition, write key after read data CAS3 and CAS3+: no need demolition BMW Multi Tool has two key programming options: File Make Key and Make Key online via OBD2.

1) File Make Key:

Select “File Make Key” tab,

Insert new CAS2 key into the CAS Adapter

Do not need to connect BMW Multi Tool with
vehicle, only connects it with computer,

Select CAS2

Click Key learning

CAS2 key has been programmed

2) Make Key online
via OBD2

Connect BMW Multi Tool with vehicle, then
connect with computer,

Select Auto Detect, the system will automatically
detect the protocol and type

Click Write EEPROM, then click Save to File…

Click Key Learning.

Then the system will display following
message:

Make dealer key- using CAS Adapter (make key
using CAS adapter)

Make dealer key-using ignition switch (Turn
ignition ON/OFF)

The first way is frequently used.

Click Get Key Info, then the system will
display key information. Select any key position number (KeyID3, 4,5)

Insert the new smart card into the CAS Adapter,
click “Make Dealer Key-using CAS Adapter”

After that the system will display, select
Add key, press Next

Make dealer key successfully.

Plug the original key form key slot, insert the
new key into the key slot, the new key is ready to use, the remote can be
activated as well.

Click “Synch DME-CAS

Many green hands of auto locksmith believe that it is difficult to program key for BMW EWS & CAS IMMO.Here I share a guide on how to program key for BMW EWS and CAS system.After reading,you will get auto key programming skills of unless two BMW models.

You need to have a common knowledge of BMW immobilizer,before starting programming key for BMW.It means that you have ability of telling which BMW IMMO you meet,EWS or CAS?

EWS immobilizer:EWS1,EWS2,EWS3,EWS4

CAS immobilizer:CAS1,CAS2,CAS3,CAS3+,CAS4.

How to tell BMW IMMO EWS or CAS?

Straiht Key with 3 botton and a blue white BMW logo on it’s centre,just show below:

We divide them base on years:

EWS IMMO: Straight remote key of 3 series,5 series and 7 series of 2000-2004 model.Below shows the immobilizer box.

CAS2 IMMO:3 series,5 series,Z4,X5 and X3 equiped CAS2 immobilizer system.Below shows the CAS2 and CAS3 immobilizer box.

And another type BMW straight key is similar as Land Rover where is black BMW logo on.It also belongs to CAS IMMO system.

  • Usually,older BMW 7 series is equiped with BMW CAS1 immobilizer system.
  • Usually,BMW 3 series and 5 series before 2010 is equiped with BMW CAS3 immobilizer system.
  • And usually BMW 3 series 2010– is equiped with BMW CAS3+ immobilizer system.
  • And BMW 1 series after 2011 is equiped with BMW CAS4 immobilizer system.

How can we comfirm CAS system?

If it need to plug smart card to card slot,then press on-key-start.You can make sure it belongs to CAS immobilizer,and usually it is CAS3.The key of CAS2 immo is straight key.

For example: BMW 5 series 09.We can confirm it belongs to CAS3 immobilizer.

Which device can do BMW key program?

Here I introduce some bmw key programmer:

  • AK90 Key Programmer
  • AK300 Key Programmer
  • BMW OBD2 Multitool

Here we take bmw obd2 multitool as example:

BMW OBD2 Multi-tool mainly applied to CAS3 and CAS3+.If you need to program for BMW CAS1,you can use BMW OBD2 Multi-tool write key function to program key.There is no devices to program BMW CAS2 in no need disassembling,you must to remove CAS module form car to read out data.After reading out data,you can use BMW multi-tool to program key.

There are two ways to program key for BMW if you use BMW OBD2 Multi-tool.

1. Use file to program key directly off-line.

2 Programing key by OBD port online.

Method 1:Off-line program bmw key.

In this method,you do not need to connect BMW Multi-tool to car.But you need to read out the data file from CAS already.

For example,if you want to program key for CAS2 immobilizer,you need to use R270 to read out data.

Bmw Cas3 Key Programming Download Mac

And then,open BMW Multi tool software on you computer.

Select “data file generate key” function,then upload the data read out by R270 key programmer.

Put the new key into the coil of BMW Multi tool.

Select “CAS2” on software,and click to generate key.

Method 2:Online Programming.

Connect you car to compute with BMW Multi tool via OBD port.

Bmw Cas3 Key Programming Download

Read out EEPROM data,and save it on your computer.

Select key learn function,you will see below software interface and some botton.

Bmw Cas3 Key Programming Download Free

“Generate dealer key- use programmer” it means program key by BMW Multi too coi.l

“Generate dealer key-use ignition swithch” it means program key by ignition switch.

Here we recommend to use programmer: BMW Multi tool coil to program key.

Click to get key information,it will show the key information.We need to select one of key position to generate key.Usually,we choose one of position 3,position 4 or position 5 to generate new key.After selecting key position,put you new key into bmw multi tool coil,then select “Generate dealer key-use by programmer”

After it ,software show a dialog box as above picture.We select first option “Add key ”,then click next setp.

It will remind you dealer key generate successfully.Now you can try this new key on your car.

Conclusion: Only click 5 botton to programe bmw key by BMW Multi tool.

Bmw Cas3 Key Programming Downloads

1.Click to read out EEPROM data.

2.Save the data file on your compute.

3.Select key learn function to get key information.

4.Select key position we need to generate key.

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5.Click “Generate dealer key–use programmer”.

In some situation,the new dealer key you program can not work on your car.Here,you need to do this operation:
Back to software main interface to click botton of “synchronize DEM to CAS”.

The way to program key for BMW EWS IMMO system is the same as CAS IMMO system.You can use AD900 to program key,but you need to use R270 Programmer to read out data before.

FromAuto Repair Technician Home, postHow to Program key for BMW EWS and CAS IMMO

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