M54 lambda sensor help

bigwinn

Elite
 Lincoln UK
Site Supporter
Hi all

Thought I’d got the right one but clearly didn’t

I need to replace my bank 2 lambda sensor- pictured

M54 2.5

Which one am I looking at on realoem please? 908467F7-54BA-44E2-B18A-12836B5AD0B3.jpegF3BFD699-3466-4B38-BB2D-CDB71EFE3ABF.jpegED92692E-BB2C-4830-82F0-4CA9361049B3.jpeg
 
2 will be Bank2 pre cat sensor
4 will be post cat sensor
Note the cable lengths.
 
Below are the Bosch Sensor numbers for Bank 2
Sensor 1 (before act) BOSCH 15668
Sensor 2 (after cat) BOSCH 15669
 
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