I got an advisory on my last MOT ,rusting fuel lines. I look under the car today and there is three?? Two go on to the fuel rail as you'd expect the other goes from somewhere above the tank ,along the car and ends with a short rubber pipe tucked into the inner wing with nothing on the end,not blanked off, just open at the end. Anyone got any ideas? Its a 1989 320i
cheers
john
Fuel pipes
Moderator: martauto
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slinky
- E30 Zone Newbie
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That should be your breather pipe, I think. Anyone else confirm?
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Chris-W
- E30 Zone Team Member
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- Location: South Cheshire
Aye, breather.
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johnl320
- E30 Zone Addict
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Cheers fellas 
john
john
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Brianmoooore
- E30 Zone Team Member
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And is usualy the only one that rusts. These are normally replaced as standard when renovating an E30, but I've never replaced a fuel line.slinky wrote:That should be your breather pipe, I think. Anyone else confirm?
On later cars with emissions gear the rubber hose at the front goes to a carbon cannister, and then through a solenoid valve into the inlet manifold.