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In Reply to: Gas smell in cockpit posted by B. Kraus on November 01, 2001 at 10:22:46:
I have seen this problem in two ways on my E30:
1. Hose on fuel rail too brittle to seal under clamping force. You should replace all rubber hoses over 7-10 years old anyway. I do this on all my old cars as the first thing. Easy and safe.
2. I currently have a leak in the tank area on my E30 on the right side. The smell enters the car via the windows and sunroof. I think it gets sucked into the vacuum just rear of the rear window and behind the trunk and makes its way up via that route.
There are a lot of hoses going into the tank. Which one are you talking about? There is the one hose that feeds fuel from the gas cap area, then a few that go to the top of the tank (AFAIK) that are various vapour and backpressure ones I think. All are attached at both ends, obviously.
To compare to the leveling oil smell, open the leveling oil cannister and smell that.
Neil Deshpande
http://www.neilwerke.com
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Anyone have the problem of gas fumes entering the interior of the car when sunroof or another window is open? When windows are shut, fumes are not a problem. I think having a window down creates some kind of backdraft into the cockpit. Any idea what might be causing this problem? Evidently, this has been occuring for previous 8 years and mechanics have not been able to figure out where it is coming from. Fumes are in the trunk as well, but odor is different... A little sweeter -- maybe the leveling oil that has been removed spilled out at one time?