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Sounds right.Happened once to me in the 3.5 yrs (archive)

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Posted by w/car, and never again.eom PM3 on June 16, 2000 at 16:05:50:

In Reply to: Typical BMW problem posted by kwillmorth on June 16, 2000 at 15:39:11:

: This is a BMW glitch and seldom has anything to do with the gage sensor, or the gas gage itself. It has to do with the evaporative recovery system and charcoal filter canister. The fuel system is completely sealed, with no "open air" venting. If you overfill the tank, by a drop, or if while pumping the evaporative collector on the pump nozzle allows pressure to build up, or a vacuum to be created, or if the gas cap is not completely sealed when replaced, the system senses a fault. The alarm for the fault is to show the gage at the "E" level, with the light on.

: You have two options:

: 1.) Ignore it, the problem will clear as the system recovers. The gage will return to normal at that time (could take a day or so). Works 90% of the time.

: 2.) Stop the car, turn it off, remove and re-install the gas cap. Works about 60% of the time.

: The solution is to not "top" the tank by pulling the trigger on the filler after it has automatically shut off. Another problem seems to be the evaporative recovery style filler nozzles (the ones with the big hose arounf the outside that seals against the filler neck flange. For these, try sticking a pencil between the filler neck and the recovery hose seal, so when the tak fills, air can vent out, instead of presurizing the cars fuel tank and vent system as air in the tank is displaced by fuel.

: Then, make abslutely sure the cap is replaced fully. If the gasket looks worn, have it replaced. If the cap doesn't properly seat, have it replaced.

: This problem persists on all E36 models, from 318ti to M coupe, so don't feel like the lone ranger tonto!

: : I have a 95 M3 and filled the car up last weekend (empty light on) and the gas gauge is still showing the light on.

: : I put $28 of gas in the gauge showed full, then the next time I drove it (2 days) it keep showing the empty position and light. What gives??? Anyone else have this funky gas gauge problem on their M3...

: : TIA

: : Sean

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