So the fuel filter DOESNT have a the one way check valve in it? I can't see how the fuel pump would fit it in there. Seems tight. But I guess so is the fuel filter. I read your other post, Andrew, where you dug heavily into the design of the fuel tanks, fuel pump and other side pump and how it flows towards engine.... I thought the understanding was the fuel filter under the X5 had the one way check valve.


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I swear, my cars are like a girlfriend.
Sometimes its a rough ride, sometimes its smooth motorin'.
Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves.
BUT at the end of the day, she loves it when I am inside her.

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'91 850i
'05 X5 4.4i
'09 Clubman S