Clean the tank? - BMW M5 Forum and M6 Forums
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post #1 of 8 Old 14th April 2012, 05:14 AM Thread Starter
jack eiler
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Cool Clean the tank?

Did the fuel filter a couple of months ago; doing the fuel pump now, do I need to clean the tank? If so, how? I miss my car- another question. Are we changing parts in these cars to change them? Won't the car tell me I need a new t-stat; ox sensor, etc. Or, do I have the board to thank?

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post #2 of 8 Old 14th April 2012, 06:26 AM
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Worst thing you could do to your engine is overheat it. Don't know about this car, but in others the temperature readout is not always accurate with a bad thermostat. Mind you, I'm not rushing out to the garage to rip into mine!

No need to clean the fuel tank unless there is a real reason you're aware of that you should do so (and there's likely not). Throw some seafoam, techron, or the like in the tank every so often.


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Edit; and yes, we're changing them to change them by choice, rather than by force

Last edited by bibledriver; 14th April 2012 at 06:28 AM.
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post #3 of 8 Old 14th April 2012, 12:44 PM
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You will be able to see the inside of the tank when you change the fuel pump. Odds are 99:1 that it is fine. If you do need to clean it, prepare for some real fun

People change parts for no reason all of the time, at least you want to be someone who knows that is what you are doing.

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post #4 of 8 Old 14th April 2012, 12:48 PM
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post #5 of 8 Old 14th April 2012, 01:01 PM Thread Starter
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My plan was to "look", and see what what kind of junk was in there, and wipe out the big stuff. I'm just not ready for the "you mean you went to all that work, and didn't wipe the big chunk's out". I also will read the entire posting; kinda like "you should change the fuel pump, too. Because it will probabley die, if your filter is as bad as you say." As always, thanks!
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post #6 of 8 Old 14th April 2012, 08:52 PM
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If you find big chunks, you're in deep $4!7

I think you'll be amazed when you open it up and look in (don't use your zippo for illumination!). It will almost certainly look like the cleanest part of your car you've ever (or never rather) seen!
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post #7 of 8 Old 14th April 2012, 09:10 PM Thread Starter
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I posted this yesterday; walked into the shop working on the car, they were already in the reinstall portion.. Started laughing. Right above the big gapping hole usually occupied by the top of the sender/fuel tank was a 100 watt incandescent trouble light. I am stunned Darwin doesn't own my car.
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post #8 of 8 Old 14th April 2012, 11:00 PM
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Gasoline can work as a solvent - short of someone pouring sugar into your tank or somethign similar, which you would most likely know about by now, your tank should be spotless. Your filter will catch all the fine dirt and stuff too.

I now have a new paranoia about my fuel filter being nearly clogged, but that's because I occasionally feel a bit of uneven power surging. And cause da' board does that to me

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