BLM in O2s

[ogo777]

hello everybody
please your help
somebody who know, please explain me and other.
what is BLM in O2s (lambda sensor),
and what is his function

options are in opel scanner soft, like :
- O2s BLM idle
-O2s BLM partial loading
-O2s sensor BLM enable
thanks

[sparkytech]

Hi,
BLM stands for Block Learn Mode & is also known as Long Term Fuel Trim.
Hope this helps