Gas Fumes Inside - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 07-14-2005, 10:45 PM
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What is wrong with my car.. or what do I need to replace if:

After I fill up on gas.. I smell a strong fumes odor inside my car for the next day or so.. Have you had this problem?

-Yes, the gas cap is on..
-No, I do not spill gas on anything..
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#2 (permalink) Old 07-15-2005, 02:11 AM
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Does the fumes smell disappear once your tank reaches 3/4?

Your tank may have a leak higher up (highly unlikely as your tank is plastic) or the seal where the sending unit is located may be gone. What year is your car?

Points of interest:
http://www.realoem.com/bmw/showparts.do?mo...314&hg=16&fg=05

http://www.realoem.com/bmw/showparts.do?mo...317&hg=16&fg=15
Number 5, rubber seal.

Here's a write up from Pelican (fuel pump change) telling you where the fuel pump is located. Pull your rear seat and check if you can see any fuel seapage.

http://www.pelicanparts.com/BMW/techarticl...6-Fuel-Pump.htm

Read the article and pay attention to figure 9 and the paragraph that contains figure 9. It mentions the O-ring or the seal I mentioned above.

The e36 has two senders so you'll have to check both seals or O-rings.

Let us know what happens and hope this helps.

"If everything seems under control, you're just not going fast enough."
- Mario Andretti



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#3 (permalink) Old 07-15-2005, 08:54 AM
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exactly, replace the rubber seals on the fuel sending units located under the back seat cushion. Also there is a carbon canister that may need to be replaced. This canister apparently gets saturated with fuel and needs replacement.

Complete mod list and pics:

My 1993 325i
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#4 (permalink) Old 07-15-2005, 10:15 PM
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Thanks alot guys.. this really helps.. as no one wants to roll around with the interior smelling like gas all day.
-ac_iconn555
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