Nice progress.

If this were mine, I'd consider rod bearings at least, given how far you have it apart. Maybe pull a pair of the caps on one of the journals and see what kind of wear you have. A strip of Plastigauge is only a buck or two.

Good day all!

New rod and main bearings will add about $343 or so to the total, but I think yous guys are right! I may as well do it since I'm right there already. I have to work today and tomorrow, so it'll be Sunday when I can get back to it. Think I'll send the block, crank and heads off for checking and cleaning before reassembly. I'll give me time to get my parts list and get them ordered. I was looking over the parts needed last night. I was shocked to find out the head gaskets are the same part number for both sides. I'll keep yous posted!

Cheers all!

This thread is going to be one valuable resource for anyone re-building an N62. Very nice work sir. Looking forward to more updates.

Yes at this level of tear down just go the extra mile and do the rod bearings. a good quality set of course. You will have better piece of mind in the end.

loving this thread.

I would not sink more money than necessary in a car that has so many issues. Just my opinion.

Thanks all for the comments! I think it is a good idea to do it all. It might take me some time to get it all posted due to delays with parts arrival! The X5 is in amazing condition and has a ton of options! The motor issue was the worst! The air ride is probably a result of the thing not running. I'll battle that after it is running. I'll probably be constantly stealing it from my better half after it's back on the road!

Until Sunday....

Cheers all!

Your a DIYer so you are already saving a ton of money on bringing this beauty back. Plus even after you have paid for all these parts you won't be able to find another vehicle on the road for the same money that has the luxury, ride and craftsmanship that this X has. Take your time, do it how you want it to be done, and forget the nay sayers that try to discourage you from bringing this vehicle back. I have a 4.6is that I am bringing back. I love it. Just this past week we got the work complete on the timing guides, timing chains, lower oil pan & gasket, lower timing cover gaskets, upper timing cover gaskets, vanos rebuilding, cooling system service, all new hoses, new pulleys, outer left and right axle boots, etc. Cleaned her up yesterday and started to drive her. No more leaks and just a beautiful sounding V8 with eisenmann exhaust. All work done by my brother and I.

You guys are awesome...that's all I wanted to say 😆

BMW X5 4.8iS 2005

Thanks everyone!! You all really are the best!!

This is the latest and greatest!! I got this in the mail the other day and figured I would share... I got this instead of the other, more complicated and more expensive version... I can't wait until I am ready to use this!!

http://imagizer.imageshack.com/v2/xq90/922/rnV74r.jpg

It doesn't really fit in the foam, but I made it work...

http://imagizer.imageshack.com/v2/xq90/924/8drVod.jpg

http://imagizer.imageshack.com/v2/xq90/922/8Kyfm4.jpg

I marked the rods so they go back where they came from! Oddly, the right and left bank connecting rods were made a day apart...

http://imagizer.imageshack.com/v2/xq90/924/tYRAai.jpg

http://imagizer.imageshack.com/v2/xq90/923/if7bHV.jpg

Didn't take any pictures during the crank pull... Here is the block with the crank finally out...

http://imagizer.imageshack.com/v2/xq90/923/BMCXS3.jpg

The caps are numbered 1 thru 5 from front to rear... The front main bearing was the only one that I didn't think looked perfect...

http://imagizer.imageshack.com/v2/xq90/922/Cv0lav.jpg

The rest were not bad at all!!

http://imagizer.imageshack.com/v2/xq90/923/Kyz84P.jpg

#3

http://imagizer.imageshack.com/v2/xq90/924/VAVuIu.jpg

#4

http://imagizer.imageshack.com/v2/xq90/922/Mct8Vh.jpg

#5 and the only one with thrust bearings...

http://imagizer.imageshack.com/v2/xq90/924/huXWsG.jpg

Everything was glossy and smooth on the crank... May still take it to the machine shop, along with the block to get their thumbs up before re-assembly!!

http://imagizer.imageshack.com/v2/xq90/923/bfpw11.jpg

http://imagizer.imageshack.com/v2/xq90/923/6UhB5i.jpg

http://imagizer.imageshack.com/v2/xq90/924/Wo1E4E.jpg

http://imagizer.imageshack.com/v2/xq90/924/lJTV2c.jpg

And the internals...

http://imagizer.imageshack.com/v2/xq90/923/eVuLkJ.jpg

The connecting rods... I'm guessing the letters on them mean the bearings needed... I haven't done the research yet on the rods, but I do know the code on the block indicate what main bearings are needed... Get to that in a few!

These are cyl 5 thru 8... 5=JD, 6=IF, 7=IH, 8=IP...

http://imagizer.imageshack.com/v2/xq90/922/GjWouz.jpg

And here is a shot of the main caps number... Hard to see though... This one is #5 and the next is #3...

http://imagizer.imageshack.com/v2/xq90/924/pLM3Nw.jpg

http://imagizer.imageshack.com/v2/xq90/923/rZ2nT0.jpg

And the four bolt main caps... After you torque the main bolts, you snug these spacers to something like 16 ft/lbs, then torque the outer bolts...

http://imagizer.imageshack.com/v2/xq90/923/Ww61zL.jpg

http://imagizer.imageshack.com/v2/xq90/924/YIi8Bf.jpg

Here is the code for the main cap bearings... All mine are the same... "G" means Green... It doesn't mean they are "Good To Go"... It is a color code BMW uses... Hard to see, but they are "GGGGG" in the upper right hand corner...

http://imagizer.imageshack.com/v2/xq90/923/v7WuBj.jpg

This is the section on the connecting rods... This is the connecting rod bolt... Odd!!

http://imagizer.imageshack.com/v2/xq90/923/XBlplA.jpg

This is how all the rod bearings looked... Not scored, but normal wear...

http://imagizer.imageshack.com/v2/xq90/924/wcKmQN.jpg

http://imagizer.imageshack.com/v2/xq90/924/tmotTN.jpg

The cylinders... Think this is cyl #1... Dirty, but cleaned up nicely after wiping them out with just a clean cloth... No imperfections noted when running my fingers over it...

http://imagizer.imageshack.com/v2/xq90/922/lnhzZC.jpg

http://imagizer.imageshack.com/v2/xq90/922/8xlvPl.jpg

I pulled one of the damaged pistons off the connecting rod... I pulled the rings out and put them in the cylinder to see how they were gapped from the factory... Not bad at all!!

http://imagizer.imageshack.com/v2/xq90/924/5hXfdb.jpg

Oh, the rings different... The top ring is thinner than the second... The oil ring is almost the same thickness as the second compression ring... There is engraving on the top of the piston... 91,986 and 25H2 on one side... An arrow pointing forward on the other side... I'm guessing 91.986 is the diameter in millimeters...

Well, that is all I have for now... It's Easter!! Go have lots of food and enjoy the day!!!

Cheers for now!!!!

Good day all!!

I am looking into getting a reliable valve spring compressor... Or maybe make one with parts from another set I have... In the mean time, I'm reaching out for your thoughts on the bearings and rings... Should I stay with the factory items "just cause" or would it be just fine to look into aftermarket piston rings and rod bearings?? I found a set of pistons, rings, pins, and locking clips on ebay for $350... That is for everything... I think one set of rings for ONE piston is something like $217 from BMW (according to realoem dot com)... Is that right?! Or did I read that incorrectly?? And what are your thoughts about the Victor / Reinz gasket sets?

Think it would be bad to reuse the piston rings after I clean them up to "like-new" condition?! That is what I have done in the past without any negative effects, even long term...

Okay, I'm off to look for a valve spring compressor I like!

Cheers!!