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      07-08-2016, 05:25 AM   #3
j330xi
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Drives: 2019 M2 Comp
Join Date: May 2006
Location: IL

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I think I found the answer..

THANKS!

Will find another diesel station, Although this is a station and pump I have used many times... maybe they changed the size of the nozzles.

Will also try to use the plastic adaptor that BMW supplies for the large "truck" diesel pump nozzles..



""BMW has equipped their diesel powered vehicles with an "Incorrect Fuel Protection System" to try and prevent gasoline from accidentally being filled in the diesel tank. They do this by making a double locking filler inlet, so that the inlet can only be opened by a 24mm diesel pump nozzle.

In Europe they have standardized pump nozzles. The gasoline nozzles are 21mm in diameter and the diesel nozzles are 24mm in diameter. Here in the United States however, Pump nozzles have not yet been standardized, therefore diesel pump nozzles can be 21mm, 24mm, or even larger size for trucks.

Most likely you used a gas station that had 21mm diesel pump nozzles, so it was not able to open the filler inlet. BMW did however leave narrow openings in the filler inlet for just this problem, or if you needed to refuel using a spare fuel can. You should still be able to use the smaller nozzle. You just have to fill the tank at a slower rate than normal, and the nozzle will not be locked into the filler neck so it wont seem as secured.

You can try a different gas station too in order to see if they have a different size pump nozzles."
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