Xhorse XT15 Chip is not a super chip but a specific chip for BMW PCF7935. Here is a successful test of adding keys for a Mini Cooper R56.
EWS3+ module.
Read data with AK90+.
Write data to XT15 Transponder with Key Tool Plus Pad.
Generate remote with VVDI Mini.
Keys work in the door, work perfectly.
Credit to Hassan Mohamed
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