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#1
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New Coolant Expansion Tank but Need Help Identifying Other Parts
So I replaced my ruptured Coolant Expansion Tank and Automatic Transmission Thermostat with the great help of this forum. But while I was removing the intake filter, these parts fell down by the fan. For the life of me, I cannot figure out where they came from. The black tube is very brittle and breaks easily. I don’t even know if both parts are related, although I’m sure they are. Anyone have any ideas? Thanks in advance! Sent from my iPad using Tapatalk |
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#2
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Just realized I didn’t include this:
This is a 2001 BMW X5 3.0 Automatic. It’s my first BMW. And, my first post about it! Sent from my iPad using Tapatalk |
#3
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I could be wrong but the black tubular item looks like the spark plug socket. Check this website for more details https://www.realoem.com/bmw/enUS/sho...diagId=12_1051
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"better the devil you know than the devil you don't" 2003-03-04 E53 X5 4.4i M62 [SOLD] 2006-03-16 E53 X5 4.8iS N62s 2006-03-28 E90 325i N52 [TOTALED] 2012-09-06 F30 328i N20 (CEO's) |
#4
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Judging from the pattern on the wipe behind the objects, these are way smaller than a spark plug socket. They are tiny... Maybe like 25mm (1") long each...
That right, daveinrome?
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
#5
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Ok. Here is another photo. I didn’t realize that the tube was completely split and only was held together by the ring of plastic. It almost like it was an overflow tube of some sort. Maybe an oil vent tube that I accidentally broke? Maybe something that the PO had repaired? It may have even blown out of the inside of the Expansion Tank and just fell down when I started moving things around for the replacement. The diameter of the tube was 3/8” to 1/2”. I have no idea about the white part, though. Sent from my iPad using Tapatalk |
#6
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White part looks a little like the holder for the radiator.
Sent from my iPhone using Tapatalk Pro
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#7
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Especially since you mentioned your tank ruptured, those parts look very similar (although different) to the float and float guide shown clearly in this great thread:
https://xoutpost.com/983445-post3.html Could be that the difference between your photos and those in that thread are due to OE vs. aftermarket. Does the white thing float? Is that dark ring at one end magnetic? If this theory is correct, you don't need to worry about anything - the replacements for those parts are already in the expansion tank you bought.
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2001 X5 3.0i, 203k miles, AT, owned since 2014 |
#8
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The white part certainly could be a holder for the radiator. I had to pull on the hoses to work them loose, although I tried to be as careful as possible.
Do the radiator holders go on the bottom, top, or sides? I’ll take a look tomorrow around the radiator to see if I can see other similar holders that should still be in place. I’ll use that information to guide me with finding a place for this one and I’ll post back here with what I find. Sent from my iPad using Tapatalk |
#9
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Radiator holders on the side most likely just in front of the coolant reservoir. (Not really expansion tank it's a closed system not a suck and blow system like domestic cars). If the old tank blew up that black tube looks like where the magnetic level sensor goes and the white part as suggested above looks like the float that goes over it.
Sent from my iPhone using Tapatalk Pro
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#10
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Agreed, looks like part of the float and float stop, that little collar that was around the tube, and the float guide with the magnet at the far end. I would venture to say that you are safe to replace the expansion tank and probably be good to go.
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