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BMW 3-Series (E90 E92) Forum
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Left and Right fuel sensors reading different levels.
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| 09-22-2021, 07:10 PM | #1 |
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Captain
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Drives: 2008 E92 335XI Coupe
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Left and Right fuel sensors reading different levels.
When I read live data from my Foxwell, the left and right side sensors show different levels. Should it be like this? This snapshot was taken right after a full-up.
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2008 E92 335XI, Space Gray on Coral/Fox Red Hybrid M3 seats, Premium, Cold Weather, Comfort Access, iPod.
Mods: Fox Red M3 seats up front, KW V1, ER CP + TIAL BOV. |
| 09-22-2021, 08:20 PM | #2 |
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Is it the shoes!?
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Totally normal. I'd only be concerned if your fuel tank isn't showing full.
Fuel is pumped from the left side of the tank to the right side where the fuel pump is. When you get to about 50% fuel, you'll see the left side read 0. This design keeps the fuel pump always in a bath of gas, and it helps offset the driver's weight better as fuel is consumed. Pretty smart design. I encountered a similar concern when I replaced my fuel pressure regulator. You can view the raw voltages using the hidden E90 menu. When I saw it reading differently I thought I broke something. Last edited by Welcome to NBA Jam; 09-22-2021 at 08:25 PM.. |
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| 09-22-2021, 08:35 PM | #3 | |
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Captain
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