What's the additional port inside the fuel filler door for?

dconn · 04-27-2020, 12:27 AM

Featured on BIMMERPOST.com

I know this is a dumb question, but what's to the left of the fuel cap? Is it supposed to be something on different cars and BMW used the same fuel door/inside for all models?

Pumped gas for the first time since 2016 this week in a new M340i after 3.5 years in a Model S.

cigaro · 04-27-2020, 12:39 AM

That is where the adblue would be filled on a diesel model.

NoSUV4Me · 04-27-2020, 12:40 AM

It's for the diesel additive.
Cost saving measure I imagine to manufacture the one variant, fit them to both diesel and petrol cars and only make the perforation for the diesel ones

dconn · 04-27-2020, 01:08 AM

Makes sense, thanks.

Oswaldo · 04-27-2020, 03:35 AM

Some cars also have the adblue charge input in the trunk.

04-27-2020, 12:27 AM	#1
dconn Private 10 Rep 94 Posts Drives: 2020 BMW M340i Sedan Join Date: Dec 2008 Location: Inverness, FL iTrader: (0)	What's the additional port inside the fuel filler door for? Featured on BIMMERPOST.com I know this is a dumb question, but what's to the left of the fuel cap? Is it supposed to be something on different cars and BMW used the same fuel door/inside for all models? Pumped gas for the first time since 2016 this week in a new M340i after 3.5 years in a Model S. Attached Images __________________ Current 2020 BMW M340i Sedan Retired 2017 Tesla Model S/2014 BMW 435i Coupe/2011 BMW 328i Sedan
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04-27-2020, 12:39 AM	#2
cigaro Private First Class 146 Rep 132 Posts Drives: 2022 BMW X3 M40i Join Date: Feb 2020 Location: California iTrader: (0)	That is where the adblue would be filled on a diesel model.
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04-27-2020, 12:40 AM	#3
NoSUV4Me First Lieutenant 61 Rep 386 Posts Drives: G20 330i M Sport Join Date: May 2019 Location: Victoria, Australia iTrader: (0)	It's for the diesel additive. Cost saving measure I imagine to manufacture the one variant, fit them to both diesel and petrol cars and only make the perforation for the diesel ones
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04-27-2020, 01:08 AM	#4
dconn Private 10 Rep 94 Posts Drives: 2020 BMW M340i Sedan Join Date: Dec 2008 Location: Inverness, FL iTrader: (0)	Makes sense, thanks.
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04-27-2020, 03:35 AM	#5
Oswaldo New Member 3 Rep 17 Posts Drives: Bmw Serie 3 Join Date: Feb 2020 Location: Europa iTrader: (0)	Some cars also have the adblue charge input in the trunk. Attached Images
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