Quote:
Originally Posted by Gio_mart
after my x5 is 1/4 of tank it stops and shuts off looked around the forums and it is either the fuel filter or fuel pump so I changed the fuel filter first and that wasn't the problem. So I still have to change the fuel pump to see if this will fix the problem:
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How many miles are on it now? We had this problem with our 3.0 auto a few years back. The X5 has a saddle tank under the back seats and sometimes the fuel pump has a hard time getting the last little bit of fuel from one side of the tank (roughly 1/4 tank like you stated) If the fuel filter is jammed it will do that (there should be a tube that connects one side to the other) but we also had the pump fail after about 200k miles.
As for the electrical gremlins, That's weird that they go away with a good charge but then return (when the voltage drops below a certain point). I do know that the alternator in the 3.0 is located right bellow the power steering fluid reservoir and likes to go bad if it runs with a lot of fluid dripping on it. Wonder if that has anything to do with it? Put the battery on a charger and verify if the issue only occurs after the battery is charged. Resetting the computer was probably the factor that fixed it. But it wouldn't hurt to put a volt meter on the alternator and the battery and to see what's going on. One thing that I don't particularly enjoy hearing about are electrical issues that come and go like this.
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Running:
2001 E53 3.0i Black 5MT Style 87, Eibach Swaybars, Headers, Turner Monoball Bushings, Oil pump nut fix, E60 short shifter + ZHP shift knob, Sport Swap 204K (G-power supercharger coming soon)
2011 E70 35d Blue Style 214 3" exhaust, Dudmd stage 2, 2" HR lowering springs
2012 E70 35d Black Style 215
Sold:
2002 e39 540i 6MT Black sport, M5 LSD, M60 Intake manifold
2003 e39 525i Auto Grey Sport
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