Abus Plus Keys By Code
You can find the key code only on the card or tag that came with your lock.
Numbers are 1 through 6 only.
Plus keys are mostly used in ABUS 20, 37 & 88, 1000 series cable locks, 51, 64, 501 U-locks
Key numbers are NEVER on the lock or associated with any numbers that may be found on the lock.