No Need to Remove Chip Works with VVDI2 VVDI Key Tool Plus
It does not copy a key. Process to Add a Key with MLB Tool: Reading data, making dealer key, learning key.
It just calculates the CS from that key, in order to make a dealer key with other key. And then add key by obd always with vvdi2 or Key tool plus, just load the file MLB tool makes you save and with that CS it will start key learning process.
The following two scenarios require points deduction for MLB calculations:
1. When adding keys, points will be deducted to calculate the IMMO data.
2. When doing key recovery, the second-hand key has been initialized and unlocked, but does not have the IMMO data of the key. You need to deduct a few points to collect and calculate the IMMO data of the key before it can be restored.