To Misfire or not?

[270_BMW]

Originally Posted by andrewwynn

Holy crap yes that o-ring. 22x2mm. I think that is the ID (22). You don't have to use a BMW official part of you can find a normal o-ring at a local shop.

Will not cause smell from the o-ring leak it just spills Into the tank.

If you "ran out of gas" more than once at 1/4 tank you definitely have siphon jet leak and almost certainly at that o-ring.

The gas spills from gravity to the right tank down to about 1/3 and people who knew they had the problem have been able to avoid a tow with a sharp left turn which will slosh a gallon of gas into the pump out as they were about to stall. No need to keep more than 1/3 of a tank to avoid the siphon jet issue


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So.... New O ring and 4 layers of Teflon PTFE rated tape?
And a zip tie placed somewhere?