Re: G9 Questions
I'm not 100% sure but I believe that line (it's the hard line from the back of the motor that has about a 3-4" piece of rubber hose that connects to the valve cover) is the oil feed/supply line to the cylinder head.
I do know if it's not clamped tight, it leaks like crazy.
I guess I don't really understand the question about the air filter...
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