I believe that a hose connected to the heater return pipe is leaking on my 07 X5 (4.8). However, after looking at countless online part catalogues like RealOEM or BMW of South Atlanta Parts (diagrams), the hose in question does not seem to be listed...

Can anyone please help me out?

The hose I am looking for is circled in my photo, it is connected to the back end of the Heater Return Pipe. (see link below)

https://www.realoem.com/bmw/enUS/sho...diagId=11_3275


Thanks!

https://imgur.com/a/CxaxVdJ