Exhaust/Lambda part number help

[Braz86]

Can anyone with the below setup of manifold/exhaust let me know the lambda details of real OEM please? My vin says there are no parts available for this setup and tells me I have the cat on the manifold. I definitely don't!

TiA

 

[colb]

Would assist if you stated what year and model you have so we can have a look at oem site

 

[Braz86]

Would assist if you stated what year and model you have so we can have a look at oem site

2000 Z3 3.0