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#91
04-14-2016, 11:54 AM
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I agree with you on the washer...even the prints on it don't go with the assembly. The diameters are roughly the same here (quick look with the ruler). Seeing now how it lines up in there, I can understand the logic. It allows oil to pass through but not back...just like the awesome members on this forum guessed. Now, considering that oil still goes back through another valve I see no interruption in the flow nor any "starvation" of oil when engine is off. I'm I correct in saying that? Nevertheless, the car seems to run just as good without it but I'll make sure to reinstall it when the day comes...finalising on the solution  Cheers buddy BMW X5 4.8iS 2005
__________________
BMW X5 E53, 4.8iS - 2005 Professional Stereo/Nav with DSP (modified BM54 module) - Converted to Eonon GA5166X with Reverse cam 4-Corner Air Suspension - Converted to BC Coilovers 
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#92
04-14-2016, 12:29 PM
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Thoughts anyone?! Cheers for now!!! Got an email today that some of my new parts are in the mail... Probably get the box by this weekend or early next week... Until then......
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#93
04-14-2016, 04:31 PM
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Good day all!
So, I had to get the cap off in order to see the valves inside... I'm not entirely positive if this is a pressure loop thing or a dedicated oil supply to the oil squirters if the pressure is high enough... I'll explain in a few... I don't have a 16mm allen bit socket, so I had to find something that fit... Oddly, I did... This is what I found that worked... It is an alt belt tensioner arm for my 2001 540i... I got it with the block I pulled from the pull-it-yard... It worked great!! Lots of light taps...    Here are the valves...   And this is the only thing I can see as to why this is even here...  This goes to the small tube and bypasses the filter...  Filter side... flow-in the center, flow-out on the lower left of the picture...  Out...  So, there is the break-down of the oil pump... Cheers for now... UPS should have my stuff here by this weekend... It will have to wait till Monday...
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#94
04-15-2016, 04:11 AM
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Hello, to be honest I wouldn't get a new pump just for that piece....if it was that important then surely they would have made it more secure to start with. Just like the bigger valve you just opened. Other members on here and other forums have driven their cars for many K miles without it and had no issues whatsoever. I can just imagine how many more owners have had that valve fall out without their knowledge and will never know until they pull the pump...yet their car is running fine.
I'm putting mine back only to see how it sits but I won't leave it there if I feel it will pop out again...and to basically finalize on this issue (other owners will need to know). Your input and dissection of the pump has been priceless, hopefully others will be able to use it and maybe add more valuable info in the future.
__________________
BMW X5 E53, 4.8iS - 2005 Professional Stereo/Nav with DSP (modified BM54 module) - Converted to Eonon GA5166X with Reverse cam 4-Corner Air Suspension - Converted to BC Coilovers
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#95
04-19-2016, 03:45 PM
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Good day!! Thanks so much!! I am glad I had the pump still out and avail to tear apart... Fun stuff for me so bring it on!! Cheers!!!
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#96
04-19-2016, 04:02 PM
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Good day all!!
It is indeed a nice day out!! I have been working for the past few days and I'm getting ready for my new job so things have been hectic... I got the box of parts yesterday, but everything is not totally clean yet so I'm still not at the assembly stage... I am having trouble getting the carbon build-up off the valves... But it is just slow going... Here is the box I got yesterday... I didn't even know they delivered it until today... I had to run an errand yesterday and must have been when it was dropped off... Anyway...  The box doesn't actually contain floor mats...  These are the rod end... I am missing the cap end... Not sure of the difference, but they have different part numbers for the same size (STD)(+.25) and so on for the top and bottom shell... STD for rod is blue.. STD for cap is red...  And, hard to see, but the valve stem seals, O-rings, and various other parts are in the kit... I have five exhaust manifold gaskets... Hmmm... Error or to cover other motors...  I have a very long week ahead... I apologize for the lack of progress on this project for the up-coming weeks... I'm in job transition, so it'll be about 20 days straight between both jobs... Okay, until I have something new... Enjoy all!!!
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#97
04-21-2016, 09:15 PM
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Good day all!!
This is what I got done yesterday... Too busy to post yesterday... So, I am missing the cap side rod bearing, but they are on the way... So, no piston install yet. I got the valves and ports in the head cleaned and pretty. The exhaust valves took forever!! The intake valves came out of the cleaner looking brand new... So, lets get to it!! Clean and ready to go! All exhaust valves in place...  To install the new valve stem seals, I found a socket that would fit over the seal, but still clear the valve... Spark plug socket worked out here...   Then this...     Ta-da!  They actually gave me eight of these to do the whole side at once...  After all seals are in place, next comes the springs... Remember, the taller ones are exhaust... Which kinda doesn't make sense because the short springs go to the valves that have variable lift... Hmmm...  Then comes the lifters and rockers... These are from the same location they came from at tear down...  All done!! Don't forget to torque!! 14Nm... If you do the math, it comes out to 123.914 in/lbs... You'll see in the last picture that I put the cams in a position that they will put very little pressure on any valves! I will correct this, obviously before it gets timed... This way no valves will be damaged just cause they are below the plane of the head, even sitting on the cardboard... Torque in the correct pattern!! I put the oil squirter line in place just to keep track of it and prevent it from getting damaged!! That little bugger Murphy has gotten me a couple times already!!    Note the timing slots that DON'T look right... well... It'll be okay like this for now... I did use assembly lube and still coated everything with Mobil 1 gear oil... I'm also going to attempt...... attempt to prime the oil system before I turn the key... Still working on that...  That is it for now!! Tomorrow begins the long haul of non-stop work for 15 days... Such is life!! Cheers for now!!
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#98
04-23-2016, 09:12 PM
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Good day all!!!
Well, I am batting a thousand with my replacement pistons... The connecting rods from the seller had caps that didn't match the rods... Well, what do ya know... I checked the three caps and the three rods, and low and behold I had one that matched up... So, we'll see what the seller says... The pistons have come out really nice... They almost look new again... More to come in small spurts until my next day off... Cheers all!!!
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#99
05-08-2016, 10:57 AM
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Good day all!!
Well, it has been some time since I have had a chance to get stuff done to the X5... I got a nice Ohaus triple beam scale and weighed up all the rods and pistons... One of the new pistons was much heavier than the others and I was debating on using one of the less damaged original pistons... But, on the flip side, the lightest rod helped bring things back into acceptable... The thing I forgot to include on the table was the high to low deviation for the rods and pistons... Rod high to low was 4.2g... Piston high to low was 5.35g... I thought about shaving some weight off the piston, but I don't know the best spot to not compromise the piston integrity... So, my piston/rod high to low is going to stay at a 2.1g... The tolerance sheet I have says the rod deviation is +/- 4g... I think I am close enough... Now everything gets matched up and installed... I have already put the top valley pan on and the rear water cover on... No gaskets, just RTV allowed to dry with no coolant... We'll see if it holds better than the original gasket...  That's it for now... Thoughts on any of this so far? Cheers!! Last edited by williamx5; 05-08-2016 at 12:06 PM.
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#100
05-10-2016, 12:43 AM
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Good work on balancing the piston/rod combos. Nice work. I probably would have filed off some metal from the piston, screwing something else up. Sometimes the most simple solution is also the most elegant (what you did, not what I would have done!). 
__________________
Kirk Las Vegas 2016 X5 40e Mineral White/Black Dakota Leather, ZLL, ZCW, ZDA, ZDB, ZPP, multi contour seats, rear side window shades, HK stereo 2011 E90M3, 6-speed manual
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