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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 7 Series / 8 Series > 7 Series - E65 / E66 (2002 - 2008)

7 Series - E65 / E66 (2002 - 2008)
Discussion of BMW's 4th generation E65/E66 7 Series flagship. The E65 generated much controversy, due to its radical styling and iDrive user difficulties. Nonetheless, the E65 broke records to become the best-selling 7-series iteration ever, especially after its 2005 facelift.

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  #1  
Old 04-24-2016, 06:15 PM
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markbimmer markbimmer is offline
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Mein Auto: 2006 BMW 750li
2006 BMW 750Li N62B48 V8 Engine Rebuild

I will use this thread to post my progress on my rebuild. I work on the car weekends so this will be a lengthy repair. I am being patient with it as I want this to come out right and only want to do this once. My engine has a spun bearing and isn't maintaining oil pressure and I have already gone through everything on the list + I have a bunch of metal shavings in my oil pan. Enjoy!
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  #2  
Old 04-25-2016, 09:36 PM
Pat Farmer Pat Farmer is offline
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Are you a BMW technician? What city are you in?
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  #3  
Old 04-25-2016, 10:25 PM
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07 E63650i 07 E63650i is offline
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OP, what is your mileage and any cause as to why the rod bearing spun out?
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  #4  
Old 04-25-2016, 11:01 PM
Romey-Rome Romey-Rome is offline
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I look dorward to doing this one day (no need yet). Is that sick & twisted?

Last edited by Romey-Rome; 04-25-2016 at 11:03 PM.
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  #5  
Old 04-26-2016, 04:57 AM
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markbimmer markbimmer is offline
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Quote:
Originally Posted by Pat Farmer View Post
Are you a BMW technician? What city are you in?
Nope, San Antonio TX

Quote:
Originally Posted by 07 E63650i View Post
OP, what is your mileage and any cause as to why the rod bearing spun out?
Close to 117k, and I want to say a stretched main or rod bolt. Thats what every tech I've spoken to has led me to believe considering I have never ran with low oil. I guess we will have to see, regardless this motor needs to be fixed.
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  #6  
Old 04-27-2016, 05:00 PM
Mid7er Mid7er is offline
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Originally Posted by markbimmer View Post
Nope, San Antonio TX


Close to 117k, and I want to say a stretched main or rod bolt. Thats what every tech I've spoken to has led me to believe considering I have never ran with low oil. I guess we will have to see, regardless this motor needs to be fixed.
Gotta hate when that happen. Are you gonna machine the head and block? Drop in an used 4.8 would be much faster and less headache. Just replace all seal and gaskets on used motor before reinstall.
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  #7  
Old 04-27-2016, 07:59 PM
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markbimmer markbimmer is offline
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Yes I am gonna machine the heads/block. I was thinking a used engine but I feel rebuilding fits me better considering I wanna keep this car for a long while.
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  #8  
Old 04-28-2016, 08:33 AM
lozzmeister lozzmeister is offline
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engine

i dont think you can bore these blocks !

they have a coating on the bores
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  #9  
Old 04-28-2016, 10:21 AM
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markbimmer markbimmer is offline
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will look and see with various machine shops in my area
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  #10  
Old 04-28-2016, 12:35 PM
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markbimmer markbimmer is offline
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Originally Posted by lozzmeister View Post
i dont think you can bore these blocks !



they have a coating on the bores

Just got off the phone with Steve from TopEnd Performance, I mentioned some info I found and he said if you're gonna bore out the block it requires a MANDATORY alusil specific honing process. Here is that process (he also verified this is the correct way)
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  #11  
Old 04-30-2016, 05:27 PM
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markbimmer markbimmer is offline
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Mein Auto: 2006 BMW 750li
2006 BMW 750Li N62B48 V8 Engine Rebuild

UPDATE: Took off the exhaust system, drive shaft, tranny lines, upper o2 sensors and a bunch of other sensors. might come back tomorrow to tackle the rest of the sensors and then tuesday out with the motor/tranny
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Last edited by markbimmer; 04-30-2016 at 05:29 PM.
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  #12  
Old 04-30-2016, 05:44 PM
xavier3002 xavier3002 is offline
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Quote:
Originally Posted by markbimmer View Post
UPDATE: Took off the exhaust system, drive shaft, tranny lines, upper o2 sensors and a bunch of other sensors. might come back tomorrow to tackle the rest of the sensors and then tuesday out with the motor/tranny
Attachment 561439
Would you consider doing other people's cars?
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  #13  
Old 04-30-2016, 07:11 PM
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markbimmer markbimmer is offline
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fu!k no lol, I have no idea what I am doing to be honest with y'all, I really am just using common sense and improvising as I go. It isn't as hard as everyone makes it seem as long as you're patient and focus on the details. I really hope to learn a lot from this and do believe I can do this. My mechanic skills would be maybe a 6/10 and I have never taken a motor out or apart. Call me crazy but I am looking forward to this, and who knows maybe I could do fellow members' cars but I doubt I have the confidence for that... plus yall guys wouldnt trust me if I told yall how old I am....
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  #14  
Old 04-30-2016, 07:51 PM
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Rookie2008 Rookie2008 is offline
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How old are you?
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  #15  
Old 04-30-2016, 08:24 PM
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markbimmer markbimmer is offline
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I will reveal my age if this rebuild comes out good
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  #16  
Old 05-03-2016, 10:35 AM
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  #17  
Old 05-03-2016, 01:45 PM
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  #18  
Old 05-03-2016, 02:19 PM
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  #19  
Old 05-03-2016, 03:42 PM
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markbimmer markbimmer is offline
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Mein Auto: 2006 BMW 750li
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  #20  
Old 05-03-2016, 03:45 PM
745D 745D is offline
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Nice...
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  #21  
Old 05-03-2016, 05:09 PM
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markbimmer markbimmer is offline
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This car will run again...
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Thats enough pics, should get back to it this sunday or next weekend.
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  #22  
Old 05-06-2016, 07:15 PM
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Rookie2008 Rookie2008 is offline
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Those Vossen wheels don't look too bad on that car .
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13 740LI W/Msport package. Executive Package
DRIVER ASSISTANCE PKG, HUD,
OYSTER; NAPPA LEATHER SEAT TRIM,
Lane departure, blind spot detection,
Collision Mitigation,
Side & Top View Cameras
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  #23  
Old 05-08-2016, 01:55 PM
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wasnt able to get to it this weekend, but will start to tear apart next sat. and sunday
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  #24  
Old 05-14-2016, 01:41 PM
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  #25  
Old 05-14-2016, 06:25 PM
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Good effort, hope it all works out. I noticed in your picks you're keeping your hood struts attached. Your hood goes way higher and makes a huge difference to working on the thing if you release the struts and support the hood with it all the way open. Obviously it's out now but something you might want to consider when putting it back in. It made a huge difference when I did my valve stem seals.
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