E90 320i 2010 expansion tank coolant hose o-ring

[Bmwed]

Good Day Ladies and Gents

Please can you guys help me. I am looking for the o-ring that goes in the quick connecter for the hose that goes into the expansion tank for a e90 320i 2010 model. Bmw dealers don't sell these. Where can i get one or can someone please help me with the size of this o-ring

thank you in advance

 

[DarrylvanNiekerk]

Good Day Ladies and Gents

Please can you guys help me. I am looking for the o-ring that goes in the quick connecter for the hose that goes into the expansion tank for a e90 320i 2010 model. Bmw dealers don't sell these. Where can i get one or can someone please help me with the size of this o-ring

thank you in advance

Not sure if you are looking for the outlet pipe o-ring at the bottom or return pipe at the top. The bottom one is a below:

 

[Bmwed]

Thank you Soooooooooo Much

 

[Bmwed]

And just to double check, there is just a o-ring in there not a plastic ring or anything?