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Drive the car down to Al least the low fuel light better if down to single digits miles right at the start to test the siphon jet pump. If that had failed you will starve of fuel at 1/4 tank or so.
You can actually monitor your hidden obd gas levels to confirm the siphon is working with no risk of starving the engine of fuel. Once you know the siphon is working you can use the full tank right down to 0.0 distance to empty. 3.0 can get over 500 miles range on a tank so 5 fill ups on the whole trip but if you can only use 3/4 of a tank you need 2-3 additional stops for gas.
The only thing that really causes wear on the fuel pump is time. They last 5000-6000 hours on average. The fuel filter is good for half a million miles but the FPR has an o-ring that will likely fail about 150-180,000 miles and give you very hard starts and loss of performance.
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2011 E70 • N55 (me)
2012 E70 • N63 (wife)
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08-17-2020, 02:13 AM
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