Z4 fuel filter connections

ssargeulb

Member
I believe that I have narrowed down my problem to the fuel filter but I hope to get an answer to the following question:
The fuel filter clearly has (at least) 2 fuel line connections which are roughly 5/16" ID however at the bottom of the filter (on what I presume to be the regulator) there is a smaller connection which is about 1/8". Is there supposed to be a line connected to this? When I removed the filter there was not but that doesn't mean it didn't fall off inside the tank.

Thoughts?
 
You might be able to check this on www.realoem.com as they have exploded parts diagrams on there.
 
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