Originally Posted by LightSpeed
Originally Posted by Malcolm M3W
Whilst digging around under the boot liner I saw an electrical connection on what I beleive to be the fuel pump which had nothing plugged into it. And also what seems to be a small pipe connection next to it! Is this important? If so what is it please?

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You are were missing the dust cover on top of the fuel pump.



This is what you are missing.
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Since it was such a pain to get off I suspect the previous owner or mechanic left it off.

It come into two pieces.
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2019 M3W Sold and is now in Las Vegas enjoying the showgirls :-)