Procedure to program BMW EWS4 key with xhorse vvdi key tool and EWS4 adapter: 1). Read eeprom. 2). Make dealer key ( pcf7935 or Universal xhorse xt27a super chip transponder generated as vw id33), Don’t write file back to EWS!!! This system no need to write back. Put everything back, start the car. Job done. Tips to install the Xhorse EWS4 adapter with key tool plus : Xhorse adapters for reading dumps are quite reliable if you know how to use them. Before installing the EWS4 adapter, the contacts should be cleaned several times. After installing the adapter, you need to read the dump 2–3 times and save it after each read. Then you compare all the dumps you have read (Xhorse Key Tool Plus has this feature). If they are identical, you can proceed to create a dealer key and write the generated file back to the EWS. If you read the dump with errors — which often happens when reading via adapters — and then create a dealer key and write the n...
Xhorse VVDI key tool plus pad tablet software, hardware, FAQs and tutorials.