Read Write EWS3 EWS4 eeprom with VVDI Key Tool Plus/ VVDI Prog/AK90

UOBDII.COM offer 3 methods to read and write BMW EWS3 / EWS4, generally speaking, any of the following devices and adapters are needed: Xhorse VVDI Key Tool Plus, VVDI Prog + EWS3 adapter / EWS4 adapter, AK90 + VVDI key tool plus.

Method 1.  No need to solder

Have tested VVDI Key Tool Plus working with EWS3 / EWS4 but need adapter, then working great.

  1. For EWS4

There is no separate EWS4 solder-free adapter for KTP, you can make a communication between the old EWS4 adapter and Key Tool Plus through Xhorse XDKP30 Multi-function Adapter (shown as below):

This Multi-function Adapter can do more:

① BOSH ECU Adapter (DB25) No Need Soldering

② Connect with EZS Adapter (DB9)

③ EWS4 Adapter (DB25);

Renew Adapter (PS2, This port only for MINI Prog)

④ MINI Prog and Key Tool Plus (DB15)

  1. For EWS3

Need Xhorse XDNP50 BMW EWS3 Solder-Free Adapter (shown as below), works with key tool plus and Mini Prog, with this adapter, you are able to read EWS3 without soldering, and then add key via dump.

 

Method 2. Solder to read, you can make key from dump file if you read the data with AK90 or VVDI Prog

  1. Program BMW EWS3 key using AK90 Plus + VVDI Key Tool Plus.

Procedure: https://blog.uobdii.com/program-bmw-ews3-key-by-ak90-plus-vvdi-key-tool-plus/

You will make your life easy when there is Ak90.

Ak90 exists for like $30 for a reason. No soldering.

  1. VVDI prog with EWS3 adapter one wire read simple.

in minutes with the removal of the box and soldering the only cable.

The same as VVDI prog with EWS4 adapter.

Procedure on how to use VVDI Pro and EWS4 adapter:

https://blog.uobdii.com/vvdi-pro-reads-ews4-with-ews4-adapter-easily/

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