[Dom147]

No idea when this code popped up. If it was when I installed my downpipe then it's been there for a veeery long time. Always assumed the CEL was only because of catless but after clearing that with bm3 and it stayed on, I found my problem out. Description reads:

12B104 lambda probe heating before catalytic converter, control cable disruption.

I assume my pre cat sensor is damaged?

https://www.bootmod3.net/log?id=60b0...729b2a0badd0e7
here are some logs of city driving with I believe one pull.

[xDopeBoyAli]

Originally Posted by Dom147

No idea when this code popped up. If it was when I installed my downpipe then it's been there for a veeery long time. Always assumed the CEL was only because of catless but after clearing that with bm3 and it stayed on, I found my problem out. Description reads:

12B104 lambda probe heating before catalytic converter, control cable disruption.

I assume my pre cat sensor is damaged?

https://www.bootmod3.net/log?id=60b0...729b2a0badd0e7
here are some logs of city driving with I believe one pull.

Bro you're good, just turn on CEL in config settings. You got a cat less downpipe

[delvec03]

https://f87.bimmerpost.com/forums/sh....php?t=1496459

probably a connection issue.