gas smell

hans747

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NC
#1
Hey guys, I don't own an e3 myself, but a good friend does, and I'm trying to help troubleshoot some problems. This is a 1994 325is with only about 35k miles on it.

The owner says that their garage reeks of gasoline whenever they fill up the tank much more than halfway full. My first guess is the big black o-ring on the gas cap is letting a little bit of fuel past when the gas is sloshing around.

Is that a common problem with these cars? I see a lot of talk about evap leaks on this forum.

Also, do you replace the whole cap? or do you just buy the rubber ring?
 


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