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  #11  
Old 11-24-2016, 06:48 PM
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LightlyToasted is on a distinguished road
If you can get this job done in 45 minutes, even after disassembling everything to get in there, you are my hero. I'm pretty sure I took 1/2 hour per bolt.
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  #12  
Old 11-25-2016, 01:30 AM
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Hey guys, thanks so much for all your help. Comparing everyone's info really helped get this job done today.

Removing the wheel liner didn't help much. There's too much in the way to accomplish anything from in there, except for got a small side view of the actual oil thermostat and it's bolts.

I removed the alternator, unbolted the power steering pump and moved it out of the way, leaving all hoses attached to it. Disconnected the hose from the bottom of the reservoir tho after sucking out the fluid.

I didn't need to lift the motor at all, or drop the subframe.

I disconnected the oil cooler lines from the oil thermostat, they were held on with a torn screw. Removed the oil thermostat blind from on top using E10 and E12 sockets with a 2-3 inch extension and ratchet.

That's about it, didn't end up being as terrible as I expected. The gasket was completely flat and felt like hard plastic, quite obviously just pumping out right out of it.

Put everything back together and she's running great and no more oil leak. Dripping coolant now tho, so to hunt down that is next...

I hope this info helps the next guy to do this job. Didn't have to remove the water pump. Lining up the power steering pump and alternator was probably the biggest pain next to getting those three E torx bolts out blind.

Any questions feel free to ask.
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  #13  
Old 11-25-2016, 02:36 AM
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^ what options do you have on your X5? There was just not enough clearance to get those last two bolts out on mine.
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  #14  
Old 11-25-2016, 03:10 AM
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Not sure what you mean by options, it's a pretty base model. No comfort access, no nav, no rear climate. Regular oil cooler.

The bottom bolts (E10) that you had the most trouble with? I had the most grief from the E12 on the top.
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  #15  
Old 11-25-2016, 08:34 AM
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Quote:
Originally Posted by zanderch View Post
Hey guys, thanks so much for all your help. Comparing everyone's info really helped get this job done today.
Congrats - glad to hear it went well. Did dropping the PS pump give you any more room?
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  #16  
Old 11-30-2016, 02:13 PM
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My 2008 X5 is in the garage on jacks now. Oil leaks are what I am chasing. Pass valve cover replaced, drivers side valve cover is off, doing both upper timing cover gaskets and all O-rings I find along the way and there are several.
I plan to do the oil cooler gaskets and o rings before I assemble the valve cover again.
I'm hoping the timing cover will be easier with the alternator off the engine.
My drivers side valve cover was a major issue, there was not enough room to remove the number 8 coil. I ended up using a truckers 2" strap with ratchet to pull the rear of the engine a little towards the pass side to gain clearance after several hours lost.
There is no easy job when working on the BMW V8!
I appreciate the help offered here, it does make a difficult job much easier.
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  #17  
Old 12-29-2016, 05:32 PM
Xor Xor is offline
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X5 e70, 2007, 4.8
Completed a week ago. Leak was so bad that I could fill in a glass in less thn 5 mins. No leaks since.

With the plastic protection and a left wheel removed, 2 of 3 bolts on a thermostat are easily accessible from the side with a couple of extensions. IMPORTANT: Wheel should be turned RIGHT. The last one is accessible from the upfront and it has more room for a hand with a ratchet.

Nothing was drained, radiator was covered with a towel from inside - it's a must(!). As an addition to the towel, I put a sheet of cardboard while removing the alternator as it's a massive beast.

Android-Iphone remote camera from Home Depot for ~$70 is a saver!

Did it for the first time in my life. With a good set of tools and absolutely no experience it took me approx 9 hrs to disassemble and 8 hrs to put everything back together.

Last edited by Xor; 12-29-2016 at 05:44 PM.
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  #18  
Old 12-29-2016, 08:07 PM
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Well I noticed a puddle of oil on my driveway after leaving for work the other morning. The oil level is still spot on, but I think the thermostat gasket spewed some oil. The leak seems intermittent (probably leaks out when the oil is thick and oil pressure is high).

Parts are en route. I don't know why I put up with the third-world build quality of BMW's engines. The engine will be nearly brand new via repairs by the time it hits 100k.
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  #19  
Old 12-30-2016, 01:44 AM
Xor Xor is offline
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Don't wait for too long. Mine was leaking for a year - approx a quart/mo. A week ago it deteriorated to a glass/min. Luckily it had happened next to home. Don't even want to think what would I do in the middle of highway.

Entropy, take off the protection and check where the leak comes from. If you can't see the location and it's on the left side - welcome to the club.
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  #20  
Old 12-30-2016, 04:09 PM
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Quote:
Originally Posted by Xor View Post
Don't wait for too long. Mine was leaking for a year - approx a quart/mo. A week ago it deteriorated to a glass/min. Luckily it had happened next to home. Don't even want to think what would I do in the middle of highway.

Entropy, take off the protection and check where the leak comes from. If you can't see the location and it's on the left side - welcome to the club.
Definitely the oil cooler thermostat gasket. Did you also do the oil line o-rings that attach to the thermostat (P/N 17227800958)?
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