I'm new to the forum and could use a little help.
The other day I was adding some gasline anti - freeze to
my wifes 92 525i when I noticed a O-ring about 1 1/2" in dia. caught between the flapper door and the filler spout. I removed it using a needle nose ...
Does anyone know where it might have come from , and how I can put it back in ? Thanks oldcats