Wire colours won't differentiate correct sensors. You can measure directly on DME pins which connector it is. Or if you have diagnostics leave the other unplugged and check if correct lambda signal is missing.
https://www.newtis.info/tisv2/a/en/e...sions-control/
__________________
E39 530dA -02 M-Sport Messing metallic
E53 X5 3.0dA -06 Sport Stratus grey
|