Best tool cas4 reading on bench

**sisanovic1** · 13th April, 2021, 11:08 PM

Hi, need to do a bmw x3 2012 with cas4 module. Now i know by obd it is a risky job.

To do it with less risk wanna do it on bench. I got the vvdi prog, but still risky bcs need to remove components. Does anyone know a tool that read on bench with no components te remove. Thanks

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**Antonio266** · 14th April, 2021, 01:53 AM

Originally Posted by sisanovic1

Hi, need to do a bmw x3 2012 with cas4 module. Now i know by obd it is a risky job.

To do it with less risk wanna do it on bench. I got the vvdi prog, but still risky bcs need to remove components. Does anyone know a tool that read on bench with no components te remove. Thanks

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Hexprog or Hextag from Microtronik
If it's AKL you also need Ecu ISN

**milehighlockdoc** · 14th April, 2021, 02:11 AM

Originally Posted by Antonio266

Hexprog or Hextag from Microtronik
If it's AKL you also need Ecu ISN

Only for cas4+, cas4 holds the isn in the cas

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**Manta1600** · 14th April, 2021, 09:24 AM

Hextag + Tango

If is CAS4+ you will need ISN or working key

**PixelsFixed** · 14th April, 2021, 05:56 PM

ACDP is great for CAS4 in my experience.

**musti418** · 15th April, 2021, 07:09 AM

Originally Posted by sisanovic1

Hi, need to do a bmw x3 2012 with cas4 module. Now i know by obd it is a risky job.

To do it with less risk wanna do it on bench. I got the vvdi prog, but still risky bcs need to remove components. Does anyone know a tool that read on bench with no components te remove. Thanks

https://youtu.be/z-zpXX-Z9t0
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https://youtu.be/vtGukkyFojA

**sisanovic1** · 15th April, 2021, 08:45 AM

Thanks guys will look into it

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**sisanovic1** · 15th April, 2021, 11:48 AM

How about this one? Anyone got experience with this cable for the vvdi prog

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**musti418** · 15th April, 2021, 02:30 PM

Hello, I did not buy this apparatus, but there is no need, you do not need to remove any capacitor in the vvdi prog connection diagram.

**sisanovic1** · 15th April, 2021, 02:53 PM

Hi musti, in the vvdi prog you can find 2 diagrams (5m48h) where you dont have to remove anything. Is this always? I dont have done any cas4 before.

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**tepSIJA** · 15th April, 2021, 09:14 PM

Originally Posted by sisanovic1

Hi musti, in the vvdi prog you can find 2 diagrams (5m48h) where you dont have to remove anything. Is this always? I dont have done any cas4 before.

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they say u dont need to remove any anything but reality is different ...

I also advice you to buy HEXTAG/HEXPROG for reading CAS4 modul from.

**p1et** · 15th April, 2021, 10:38 PM

Just read vvdi prog manual. It say if can't crack MCU, then need to remove 1 resistor. So it does not always work without removing. When I do such work, I always remove that resistor before trying.

**ray-ray** · 17th April, 2021, 03:42 PM

Remember your voltage must be over 13volt to get the “Cas” to wake up. So your power source is best tool to get to read mode.

**Evernemi** · 17th April, 2021, 09:46 PM

Never had problems with 12v 2a

**castin** · 18th April, 2021, 07:26 AM

Cas4 buy for test - vvdi2 read on table, downgrade - all ok. Before use vvdi2 im read mcu and save flash and eeprom. Im load back saved file using vvdi prog, UPA-S - all OK. After load org file, vvdi2 again downgrade cas w/o problem.